1721623904

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{757}}^1$

素因数の和:869

約数の個数: 192

約数和(自身を含む): 4621059072

約数和(自身を除く): 2899435168

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 56, 71, 77, 88, 91, 104, 112, 142, 143, 154, 176, 182, 208, 224, 284, 286, 308, 352, 364, 416, 497, 568, 572, 616, 728, 757, 781, 923, 994, 1001, 1136, 1144, 1232, 1456, 1514, 1562, 1846, 1988, 2002, 2272, 2288, 2464, 2912, 3028, 3124, 3692, 3976, 4004, 4576, 5299, 5467, 6056, 6248, 6461, 7384, 7952, 8008, 8327, 9841, 10153, 10598, 10934, 12112, 12496, 12922, 14768, 15904, 16016, 16654, 19682, 20306, 21196, 21868, 24224, 24992, 25844, 29536, 32032, 33308, 39364, 40612, 42392, 43736, 51688, 53747, 58289, 66616, 68887, 71071, 78728, 81224, 84784, 87472, 103376, 107494, 108251, 116578, 133232, 137774, 142142, 157456, 162448, 169568, 174944, 206752, 214988, 216502, 233156, 266464, 275548, 284284, 314912, 324896, 376229, 429976, 433004, 466312, 551096, 568568, 591217, 698711, 752458, 757757, 859952, 866008, 932624, 1102192, 1137136, 1182434, 1397422, 1504916, 1515514, 1719904, 1732016, 1865248, 2204384, 2274272, 2364868, 2794844, 3009832, 3031028, 3464032, 4138519, 4729736, 4890977, 5589688, 6019664, 6062056, 7685821, 8277038, 9459472, 9781954, 11179376, 12039328, 12124112, 15371642, 16554076, 18918944, 19563908, 22358752, 24248224, 30743284, 33108152, 39127816, 53800747, 61486568, 66216304, 78255632, 107601494, 122973136, 132432608, 156511264, 215202988, 245946272, 430405976, 860811952, 1721623904]

約数ペア:

[(1, 1721623904), (2, 860811952), (4, 430405976), (7, 245946272), (8, 215202988), (11, 156511264), (13, 132432608), (14, 122973136), (16, 107601494), (22, 78255632), (26, 66216304), (28, 61486568), (32, 53800747), (44, 39127816), (52, 33108152), (56, 30743284), (71, 24248224), (77, 22358752), (88, 19563908), (91, 18918944), (104, 16554076), (112, 15371642), (142, 12124112), (143, 12039328), (154, 11179376), (176, 9781954), (182, 9459472), (208, 8277038), (224, 7685821), (284, 6062056), (286, 6019664), (308, 5589688), (352, 4890977), (364, 4729736), (416, 4138519), (497, 3464032), (568, 3031028), (572, 3009832), (616, 2794844), (728, 2364868), (757, 2274272), (781, 2204384), (923, 1865248), (994, 1732016), (1001, 1719904), (1136, 1515514), (1144, 1504916), (1232, 1397422), (1456, 1182434), (1514, 1137136), (1562, 1102192), (1846, 932624), (1988, 866008), (2002, 859952), (2272, 757757), (2288, 752458), (2464, 698711), (2912, 591217), (3028, 568568), (3124, 551096), (3692, 466312), (3976, 433004), (4004, 429976), (4576, 376229), (5299, 324896), (5467, 314912), (6056, 284284), (6248, 275548), (6461, 266464), (7384, 233156), (7952, 216502), (8008, 214988), (8327, 206752), (9841, 174944), (10153, 169568), (10598, 162448), (10934, 157456), (12112, 142142), (12496, 137774), (12922, 133232), (14768, 116578), (15904, 108251), (16016, 107494), (16654, 103376), (19682, 87472), (20306, 84784), (21196, 81224), (21868, 78728), (24224, 71071), (24992, 68887), (25844, 66616), (29536, 58289), (32032, 53747), (33308, 51688), (39364, 43736), (40612, 42392)]