129812522

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1\times {\mathrm{1217}}^1$

素因数の和:1646

約数の個数: 32

約数和(自身を含む): 235025280

約数和(自身を除く): 105212758

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 401, 802, 1217, 2434, 2807, 5614, 7619, 8519, 15238, 17038, 23123, 46246, 53333, 106666, 161861, 323722, 488017, 976034, 3416119, 6832238, 9272323, 18544646, 64906261, 129812522]

約数ペア:

[(1, 129812522), (2, 64906261), (7, 18544646), (14, 9272323), (19, 6832238), (38, 3416119), (133, 976034), (266, 488017), (401, 323722), (802, 161861), (1217, 106666), (2434, 53333), (2807, 46246), (5614, 23123), (7619, 17038), (8519, 15238)]