400345664

素因数分解:

$2^6\times {\mathrm{109}}^1\times {\mathrm{57389}}^1$

素因数の和:57510

約数の個数: 28

約数和(自身を含む): 801738300

約数和(自身を除く): 401392636

約数列:

[1, 2, 4, 8, 16, 32, 64, 109, 218, 436, 872, 1744, 3488, 6976, 57389, 114778, 229556, 459112, 918224, 1836448, 3672896, 6255401, 12510802, 25021604, 50043208, 100086416, 200172832, 400345664]

約数ペア:

[(1, 400345664), (2, 200172832), (4, 100086416), (8, 50043208), (16, 25021604), (32, 12510802), (64, 6255401), (109, 3672896), (218, 1836448), (436, 918224), (872, 459112), (1744, 229556), (3488, 114778), (6976, 57389)]