68421712

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{137947}}^1$

素因数の和:137986

約数の個数: 20

約数和(自身を含む): 136844416

約数和(自身を除く): 68422704

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 137947, 275894, 551788, 1103576, 2207152, 4276357, 8552714, 17105428, 34210856, 68421712]

約数ペア:

[(1, 68421712), (2, 34210856), (4, 17105428), (8, 8552714), (16, 4276357), (31, 2207152), (62, 1103576), (124, 551788), (248, 275894), (496, 137947)]