64890904

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^3\times {\mathrm{127}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 140313600

約数和(自身を除く): 75422696

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 52, 68, 104, 127, 136, 221, 254, 289, 442, 508, 578, 884, 1016, 1156, 1651, 1768, 2159, 2312, 3302, 3757, 4318, 4913, 6604, 7514, 8636, 9826, 13208, 15028, 17272, 19652, 28067, 30056, 36703, 39304, 56134, 63869, 73406, 112268, 127738, 146812, 224536, 255476, 293624, 477139, 510952, 623951, 954278, 1247902, 1908556, 2495804, 3817112, 4991608, 8111363, 16222726, 32445452, 64890904]

約数ペア:

[(1, 64890904), (2, 32445452), (4, 16222726), (8, 8111363), (13, 4991608), (17, 3817112), (26, 2495804), (34, 1908556), (52, 1247902), (68, 954278), (104, 623951), (127, 510952), (136, 477139), (221, 293624), (254, 255476), (289, 224536), (442, 146812), (508, 127738), (578, 112268), (884, 73406), (1016, 63869), (1156, 56134), (1651, 39304), (1768, 36703), (2159, 30056), (2312, 28067), (3302, 19652), (3757, 17272), (4318, 15028), (4913, 13208), (6604, 9826), (7514, 8636)]