491838256

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{773}}^1$

素因数の和:843

約数の個数: 160

約数和(自身を含む): 1289917440

約数和(自身を除く): 798079184

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 23, 26, 28, 38, 46, 52, 56, 76, 91, 92, 104, 112, 133, 152, 161, 182, 184, 208, 247, 266, 299, 304, 322, 364, 368, 437, 494, 532, 598, 644, 728, 773, 874, 988, 1064, 1196, 1288, 1456, 1546, 1729, 1748, 1976, 2093, 2128, 2392, 2576, 3059, 3092, 3458, 3496, 3952, 4186, 4784, 5411, 5681, 6118, 6184, 6916, 6992, 8372, 10049, 10822, 11362, 12236, 12368, 13832, 14687, 16744, 17779, 20098, 21644, 22724, 24472, 27664, 29374, 33488, 35558, 39767, 40196, 43288, 45448, 48944, 58748, 70343, 71116, 79534, 80392, 86576, 90896, 102809, 117496, 124453, 140686, 142232, 159068, 160784, 190931, 205618, 231127, 234992, 248906, 281372, 284464, 318136, 337801, 381862, 411236, 462254, 497812, 562744, 636272, 675602, 763724, 822472, 924508, 995624, 1125488, 1336517, 1351204, 1527448, 1617889, 1644944, 1849016, 1991248, 2364607, 2673034, 2702408, 3054896, 3235778, 3698032, 4391413, 4729214, 5346068, 5404816, 6471556, 8782826, 9458428, 10692136, 12943112, 17565652, 18916856, 21384272, 25886224, 30739891, 35131304, 37833712, 61479782, 70262608, 122959564, 245919128, 491838256]

約数ペア:

[(1, 491838256), (2, 245919128), (4, 122959564), (7, 70262608), (8, 61479782), (13, 37833712), (14, 35131304), (16, 30739891), (19, 25886224), (23, 21384272), (26, 18916856), (28, 17565652), (38, 12943112), (46, 10692136), (52, 9458428), (56, 8782826), (76, 6471556), (91, 5404816), (92, 5346068), (104, 4729214), (112, 4391413), (133, 3698032), (152, 3235778), (161, 3054896), (182, 2702408), (184, 2673034), (208, 2364607), (247, 1991248), (266, 1849016), (299, 1644944), (304, 1617889), (322, 1527448), (364, 1351204), (368, 1336517), (437, 1125488), (494, 995624), (532, 924508), (598, 822472), (644, 763724), (728, 675602), (773, 636272), (874, 562744), (988, 497812), (1064, 462254), (1196, 411236), (1288, 381862), (1456, 337801), (1546, 318136), (1729, 284464), (1748, 281372), (1976, 248906), (2093, 234992), (2128, 231127), (2392, 205618), (2576, 190931), (3059, 160784), (3092, 159068), (3458, 142232), (3496, 140686), (3952, 124453), (4186, 117496), (4784, 102809), (5411, 90896), (5681, 86576), (6118, 80392), (6184, 79534), (6916, 71116), (6992, 70343), (8372, 58748), (10049, 48944), (10822, 45448), (11362, 43288), (12236, 40196), (12368, 39767), (13832, 35558), (14687, 33488), (16744, 29374), (17779, 27664), (20098, 24472), (21644, 22724)]