67561808

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{248389}}^1$

素因数の和:248414

約数の個数: 20

約数和(自身を含む): 138601620

約数和(自身を除く): 71039812

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 248389, 496778, 993556, 1987112, 3974224, 4222613, 8445226, 16890452, 33780904, 67561808]

約数ペア:

[(1, 67561808), (2, 33780904), (4, 16890452), (8, 8445226), (16, 4222613), (17, 3974224), (34, 1987112), (68, 993556), (136, 496778), (272, 248389)]