64903984

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{98939}}^1$

素因数の和:98988

約数の個数: 20

約数和(自身を含む): 128819880

約数和(自身を除く): 63915896

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 98939, 197878, 395756, 791512, 1583024, 4056499, 8112998, 16225996, 32451992, 64903984]

約数ペア:

[(1, 64903984), (2, 32451992), (4, 16225996), (8, 8112998), (16, 4056499), (41, 1583024), (82, 791512), (164, 395756), (328, 197878), (656, 98939)]