31893910

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{1549}}^1$

素因数の和:1656

約数の個数: 32

約数和(自身を含む): 60264000

約数和(自身を除く): 28370090

約数列:

[1, 2, 5, 10, 29, 58, 71, 142, 145, 290, 355, 710, 1549, 2059, 3098, 4118, 7745, 10295, 15490, 20590, 44921, 89842, 109979, 219958, 224605, 449210, 549895, 1099790, 3189391, 6378782, 15946955, 31893910]

約数ペア:

[(1, 31893910), (2, 15946955), (5, 6378782), (10, 3189391), (29, 1099790), (58, 549895), (71, 449210), (142, 224605), (145, 219958), (290, 109979), (355, 89842), (710, 44921), (1549, 20590), (2059, 15490), (3098, 10295), (4118, 7745)]