211312705

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{307}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 271434240

約数和(自身を除く): 60121535

約数列:

[1, 5, 29, 47, 101, 145, 235, 307, 505, 1363, 1535, 2929, 4747, 6815, 8903, 14429, 14645, 23735, 31007, 44515, 72145, 137663, 155035, 418441, 688315, 899203, 1457329, 2092205, 4496015, 7286645, 42262541, 211312705]

約数ペア:

[(1, 211312705), (5, 42262541), (29, 7286645), (47, 4496015), (101, 2092205), (145, 1457329), (235, 899203), (307, 688315), (505, 418441), (1363, 155035), (1535, 137663), (2929, 72145), (4747, 44515), (6815, 31007), (8903, 23735), (14429, 14645)]