64961416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{709}}^1\times {\mathrm{881}}^1$

素因数の和:1609

約数の個数: 32

約数和(自身を含む): 131506200

約数和(自身を除く): 66544784

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 709, 881, 1418, 1762, 2836, 3524, 5672, 7048, 9217, 11453, 18434, 22906, 36868, 45812, 73736, 91624, 624629, 1249258, 2498516, 4997032, 8120177, 16240354, 32480708, 64961416]

約数ペア:

[(1, 64961416), (2, 32480708), (4, 16240354), (8, 8120177), (13, 4997032), (26, 2498516), (52, 1249258), (104, 624629), (709, 91624), (881, 73736), (1418, 45812), (1762, 36868), (2836, 22906), (3524, 18434), (5672, 11453), (7048, 9217)]