1638016688

素因数分解:

$2^4\times 7^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:632

約数の個数: 180

約数和(自身を含む): 4196356416

約数和(自身を除く): 2558339728

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 44, 49, 56, 62, 77, 88, 98, 112, 121, 124, 154, 176, 196, 217, 242, 248, 308, 341, 392, 434, 484, 496, 539, 557, 616, 682, 784, 847, 868, 968, 1078, 1114, 1232, 1364, 1519, 1694, 1736, 1936, 2156, 2228, 2387, 2728, 3038, 3388, 3472, 3751, 3899, 4312, 4456, 4774, 5456, 5929, 6076, 6127, 6776, 7502, 7798, 8624, 8912, 9548, 11858, 12152, 12254, 13552, 15004, 15596, 16709, 17267, 19096, 23716, 24304, 24508, 26257, 27293, 30008, 31192, 33418, 34534, 38192, 42889, 47432, 49016, 52514, 54586, 60016, 62384, 66836, 67397, 69068, 85778, 94864, 98032, 105028, 109172, 120869, 133672, 134794, 138136, 171556, 183799, 189937, 210056, 218344, 241738, 267344, 269588, 276272, 300223, 343112, 367598, 379874, 420112, 436688, 471779, 483476, 539176, 600446, 686224, 735196, 759748, 846083, 943558, 966952, 1078352, 1200892, 1329559, 1470392, 1519496, 1692166, 1887116, 1933904, 2089307, 2401784, 2659118, 2940784, 3038992, 3302453, 3384332, 3774232, 4178614, 4803568, 5318236, 6604906, 6768664, 7548464, 8357228, 9306913, 10636472, 13209812, 13537328, 14625149, 16714456, 18613826, 21272944, 26419624, 29250298, 33428912, 37227652, 52839248, 58500596, 74455304, 102376043, 117001192, 148910608, 204752086, 234002384, 409504172, 819008344, 1638016688]

約数ペア:

[(1, 1638016688), (2, 819008344), (4, 409504172), (7, 234002384), (8, 204752086), (11, 148910608), (14, 117001192), (16, 102376043), (22, 74455304), (28, 58500596), (31, 52839248), (44, 37227652), (49, 33428912), (56, 29250298), (62, 26419624), (77, 21272944), (88, 18613826), (98, 16714456), (112, 14625149), (121, 13537328), (124, 13209812), (154, 10636472), (176, 9306913), (196, 8357228), (217, 7548464), (242, 6768664), (248, 6604906), (308, 5318236), (341, 4803568), (392, 4178614), (434, 3774232), (484, 3384332), (496, 3302453), (539, 3038992), (557, 2940784), (616, 2659118), (682, 2401784), (784, 2089307), (847, 1933904), (868, 1887116), (968, 1692166), (1078, 1519496), (1114, 1470392), (1232, 1329559), (1364, 1200892), (1519, 1078352), (1694, 966952), (1736, 943558), (1936, 846083), (2156, 759748), (2228, 735196), (2387, 686224), (2728, 600446), (3038, 539176), (3388, 483476), (3472, 471779), (3751, 436688), (3899, 420112), (4312, 379874), (4456, 367598), (4774, 343112), (5456, 300223), (5929, 276272), (6076, 269588), (6127, 267344), (6776, 241738), (7502, 218344), (7798, 210056), (8624, 189937), (8912, 183799), (9548, 171556), (11858, 138136), (12152, 134794), (12254, 133672), (13552, 120869), (15004, 109172), (15596, 105028), (16709, 98032), (17267, 94864), (19096, 85778), (23716, 69068), (24304, 67397), (24508, 66836), (26257, 62384), (27293, 60016), (30008, 54586), (31192, 52514), (33418, 49016), (34534, 47432), (38192, 42889)]