208513630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{69737}}^1$

素因数の和:69780

約数の個数: 32

約数和(自身を含む): 421775424

約数和(自身を除く): 213261794

約数列:

[1, 2, 5, 10, 13, 23, 26, 46, 65, 115, 130, 230, 299, 598, 1495, 2990, 69737, 139474, 348685, 697370, 906581, 1603951, 1813162, 3207902, 4532905, 8019755, 9065810, 16039510, 20851363, 41702726, 104256815, 208513630]

約数ペア:

[(1, 208513630), (2, 104256815), (5, 41702726), (10, 20851363), (13, 16039510), (23, 9065810), (26, 8019755), (46, 4532905), (65, 3207902), (115, 1813162), (130, 1603951), (230, 906581), (299, 697370), (598, 348685), (1495, 139474), (2990, 69737)]