398490372

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{1581311}}^1$

素因数の和:1581328

約数の個数: 36

約数和(自身を含む): 1151195136

約数和(自身を除く): 752704764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 1581311, 3162622, 4743933, 6325244, 9487866, 11069177, 14231799, 18975732, 22138354, 28463598, 33207531, 44276708, 56927196, 66415062, 99622593, 132830124, 199245186, 398490372]

約数ペア:

[(1, 398490372), (2, 199245186), (3, 132830124), (4, 99622593), (6, 66415062), (7, 56927196), (9, 44276708), (12, 33207531), (14, 28463598), (18, 22138354), (21, 18975732), (28, 14231799), (36, 11069177), (42, 9487866), (63, 6325244), (84, 4743933), (126, 3162622), (252, 1581311)]