1663707968

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{1249}}^1\times {\mathrm{1601}}^1$

素因数の和:2875

約数の個数: 56

約数和(自身を含む): 3560445000

約数和(自身を除く): 1896737032

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 1249, 1601, 2498, 3202, 4996, 6404, 9992, 12808, 16237, 19984, 20813, 25616, 32474, 39968, 41626, 51232, 64948, 79936, 83252, 102464, 129896, 166504, 259792, 333008, 519584, 666016, 1039168, 1332032, 1999649, 3999298, 7998596, 15997192, 25995437, 31994384, 51990874, 63988768, 103981748, 127977536, 207963496, 415926992, 831853984, 1663707968]

約数ペア:

[(1, 1663707968), (2, 831853984), (4, 415926992), (8, 207963496), (13, 127977536), (16, 103981748), (26, 63988768), (32, 51990874), (52, 31994384), (64, 25995437), (104, 15997192), (208, 7998596), (416, 3999298), (832, 1999649), (1249, 1332032), (1601, 1039168), (2498, 666016), (3202, 519584), (4996, 333008), (6404, 259792), (9992, 166504), (12808, 129896), (16237, 102464), (19984, 83252), (20813, 79936), (25616, 64948), (32474, 51232), (39968, 41626)]