9878428

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20753}}^1$

素因数の和:20781

約数の個数: 24

約数和(自身を含む): 20920032

約数和(自身を除く): 11041604

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 20753, 41506, 83012, 145271, 290542, 352801, 581084, 705602, 1411204, 2469607, 4939214, 9878428]

約数ペア:

[(1, 9878428), (2, 4939214), (4, 2469607), (7, 1411204), (14, 705602), (17, 581084), (28, 352801), (34, 290542), (68, 145271), (119, 83012), (238, 41506), (476, 20753)]