201391775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{36451}}^1$

素因数の和:36491

約数の個数: 24

約数和(自身を含む): 284763024

約数和(自身を除く): 83371249

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 5525, 36451, 182255, 473863, 619667, 911275, 2369315, 3098335, 8055671, 11846575, 15491675, 40278355, 201391775]

約数ペア:

[(1, 201391775), (5, 40278355), (13, 15491675), (17, 11846575), (25, 8055671), (65, 3098335), (85, 2369315), (221, 911275), (325, 619667), (425, 473863), (1105, 182255), (5525, 36451)]