217973258

素因数分解:

$2^1\times {\mathrm{59}}^2\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:490

約数の個数: 24

約数和(自身を含む): 336536640

約数和(自身を除く): 118563382

約数列:

[1, 2, 59, 118, 131, 239, 262, 478, 3481, 6962, 7729, 14101, 15458, 28202, 31309, 62618, 456011, 831959, 912022, 1663918, 1847231, 3694462, 108986629, 217973258]

約数ペア:

[(1, 217973258), (2, 108986629), (59, 3694462), (118, 1847231), (131, 1663918), (239, 912022), (262, 831959), (478, 456011), (3481, 62618), (6962, 31309), (7729, 28202), (14101, 15458)]