668520734

素因数分解:

$2^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{401}}^1\times {\mathrm{617}}^1$

素因数の和:1220

約数の個数: 32

約数和(自身を含む): 1156718016

約数和(自身を除く): 488197282

約数列:

[1, 2, 7, 14, 193, 386, 401, 617, 802, 1234, 1351, 2702, 2807, 4319, 5614, 8638, 77393, 119081, 154786, 238162, 247417, 494834, 541751, 833567, 1083502, 1667134, 1731919, 3463838, 47751481, 95502962, 334260367, 668520734]

約数ペア:

[(1, 668520734), (2, 334260367), (7, 95502962), (14, 47751481), (193, 3463838), (386, 1731919), (401, 1667134), (617, 1083502), (802, 833567), (1234, 541751), (1351, 494834), (2702, 247417), (2807, 238162), (4319, 154786), (5614, 119081), (8638, 77393)]