66640064

素因数分解:

$2^6\times {\mathrm{739}}^1\times {\mathrm{1409}}^1$

素因数の和:2160

約数の個数: 28

約数和(自身を含む): 132511800

約数和(自身を除く): 65871736

約数列:

[1, 2, 4, 8, 16, 32, 64, 739, 1409, 1478, 2818, 2956, 5636, 5912, 11272, 11824, 22544, 23648, 45088, 47296, 90176, 1041251, 2082502, 4165004, 8330008, 16660016, 33320032, 66640064]

約数ペア:

[(1, 66640064), (2, 33320032), (4, 16660016), (8, 8330008), (16, 4165004), (32, 2082502), (64, 1041251), (739, 90176), (1409, 47296), (1478, 45088), (2818, 23648), (2956, 22544), (5636, 11824), (5912, 11272)]