209961604

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{7489}}^1$

素因数の和:7699

約数の個数: 24

約数和(自身を含む): 378334880

約数和(自身を除く): 168373276

約数列:

[1, 2, 4, 43, 86, 163, 172, 326, 652, 7009, 7489, 14018, 14978, 28036, 29956, 322027, 644054, 1220707, 1288108, 2441414, 4882828, 52490401, 104980802, 209961604]

約数ペア:

[(1, 209961604), (2, 104980802), (4, 52490401), (43, 4882828), (86, 2441414), (163, 1288108), (172, 1220707), (326, 644054), (652, 322027), (7009, 29956), (7489, 28036), (14018, 14978)]