215499878

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{31907}}^1$

素因数の和:32227

約数の個数: 16

約数和(自身を含む): 353795904

約数和(自身を除く): 138296026

約数列:

[1, 2, 11, 22, 307, 614, 3377, 6754, 31907, 63814, 350977, 701954, 9795449, 19590898, 107749939, 215499878]

約数ペア:

[(1, 215499878), (2, 107749939), (11, 19590898), (22, 9795449), (307, 701954), (614, 350977), (3377, 63814), (6754, 31907)]