68992976

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{331697}}^1$

素因数の和:331718

約数の個数: 20

約数和(自身を含む): 143956932

約数和(自身を除く): 74963956

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 331697, 663394, 1326788, 2653576, 4312061, 5307152, 8624122, 17248244, 34496488, 68992976]

約数ペア:

[(1, 68992976), (2, 34496488), (4, 17248244), (8, 8624122), (13, 5307152), (16, 4312061), (26, 2653576), (52, 1326788), (104, 663394), (208, 331697)]