689926328

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1609}}^1$

素因数の和:1685

約数の個数: 128

約数和(自身を含む): 1731072000

約数和(自身を除く): 1041145672

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 31, 38, 52, 56, 62, 76, 91, 104, 124, 133, 152, 182, 217, 247, 248, 266, 364, 403, 434, 494, 532, 589, 728, 806, 868, 988, 1064, 1178, 1609, 1612, 1729, 1736, 1976, 2356, 2821, 3218, 3224, 3458, 4123, 4712, 5642, 6436, 6916, 7657, 8246, 11263, 11284, 12872, 13832, 15314, 16492, 20917, 22526, 22568, 30571, 30628, 32984, 41834, 45052, 49879, 53599, 61142, 61256, 83668, 90104, 99758, 107198, 122284, 146419, 167336, 199516, 213997, 214396, 244568, 292838, 349153, 397423, 399032, 427994, 428792, 585676, 648427, 698306, 794846, 855988, 947701, 1171352, 1296854, 1396612, 1589692, 1711976, 1895402, 2593708, 2781961, 2793224, 3179384, 3790804, 4538989, 5187416, 5563922, 6633907, 7581608, 9077978, 11127844, 12320113, 13267814, 18155956, 22255688, 24640226, 26535628, 36311912, 49280452, 53071256, 86240791, 98560904, 172481582, 344963164, 689926328]

約数ペア:

[(1, 689926328), (2, 344963164), (4, 172481582), (7, 98560904), (8, 86240791), (13, 53071256), (14, 49280452), (19, 36311912), (26, 26535628), (28, 24640226), (31, 22255688), (38, 18155956), (52, 13267814), (56, 12320113), (62, 11127844), (76, 9077978), (91, 7581608), (104, 6633907), (124, 5563922), (133, 5187416), (152, 4538989), (182, 3790804), (217, 3179384), (247, 2793224), (248, 2781961), (266, 2593708), (364, 1895402), (403, 1711976), (434, 1589692), (494, 1396612), (532, 1296854), (589, 1171352), (728, 947701), (806, 855988), (868, 794846), (988, 698306), (1064, 648427), (1178, 585676), (1609, 428792), (1612, 427994), (1729, 399032), (1736, 397423), (1976, 349153), (2356, 292838), (2821, 244568), (3218, 214396), (3224, 213997), (3458, 199516), (4123, 167336), (4712, 146419), (5642, 122284), (6436, 107198), (6916, 99758), (7657, 90104), (8246, 83668), (11263, 61256), (11284, 61142), (12872, 53599), (13832, 49879), (15314, 45052), (16492, 41834), (20917, 32984), (22526, 30628), (22568, 30571)]