39853385

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{401}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 56730240

約数和(自身を除く): 16876855

約数列:

[1, 5, 11, 13, 55, 65, 139, 143, 401, 695, 715, 1529, 1807, 2005, 4411, 5213, 7645, 9035, 19877, 22055, 26065, 55739, 57343, 99385, 278695, 286715, 613129, 724607, 3065645, 3623035, 7970677, 39853385]

約数ペア:

[(1, 39853385), (5, 7970677), (11, 3623035), (13, 3065645), (55, 724607), (65, 613129), (139, 286715), (143, 278695), (401, 99385), (695, 57343), (715, 55739), (1529, 26065), (1807, 22055), (2005, 19877), (4411, 9035), (5213, 7645)]