216820945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{1511}}^1\times {\mathrm{2609}}^1$

素因数の和:4136

約数の個数: 16

約数和(自身を含む): 284135040

約数和(自身を除く): 67314095

約数列:

[1, 5, 11, 55, 1511, 2609, 7555, 13045, 16621, 28699, 83105, 143495, 3942199, 19710995, 43364189, 216820945]

約数ペア:

[(1, 216820945), (5, 43364189), (11, 19710995), (55, 3942199), (1511, 143495), (2609, 83105), (7555, 28699), (13045, 16621)]