64988456

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{3491}}^1$

素因数の和:3689

約数の個数: 32

約数和(自身を含む): 131997600

約数和(自身を除く): 67009144

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 179, 358, 716, 1432, 2327, 3491, 4654, 6982, 9308, 13964, 18616, 27928, 45383, 90766, 181532, 363064, 624889, 1249778, 2499556, 4999112, 8123557, 16247114, 32494228, 64988456]

約数ペア:

[(1, 64988456), (2, 32494228), (4, 16247114), (8, 8123557), (13, 4999112), (26, 2499556), (52, 1249778), (104, 624889), (179, 363064), (358, 181532), (716, 90766), (1432, 45383), (2327, 27928), (3491, 18616), (4654, 13964), (6982, 9308)]