215486878

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{359}}^1$

素因数の和:600

約数の個数: 32

約数和(自身を含む): 342144000

約数和(自身を除く): 126657122

約数列:

[1, 2, 29, 58, 79, 131, 158, 262, 359, 718, 2291, 3799, 4582, 7598, 10349, 10411, 20698, 20822, 28361, 47029, 56722, 94058, 300121, 600242, 822469, 1363841, 1644938, 2727682, 3715291, 7430582, 107743439, 215486878]

約数ペア:

[(1, 215486878), (2, 107743439), (29, 7430582), (58, 3715291), (79, 2727682), (131, 1644938), (158, 1363841), (262, 822469), (359, 600242), (718, 300121), (2291, 94058), (3799, 56722), (4582, 47029), (7598, 28361), (10349, 20822), (10411, 20698)]