15664675

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{307}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 21120176

約数和(自身を除く): 5455501

約数列:

[1, 5, 13, 25, 65, 157, 307, 325, 785, 1535, 2041, 3925, 3991, 7675, 10205, 19955, 48199, 51025, 99775, 240995, 626587, 1204975, 3132935, 15664675]

約数ペア:

[(1, 15664675), (5, 3132935), (13, 1204975), (25, 626587), (65, 240995), (157, 99775), (307, 51025), (325, 48199), (785, 19955), (1535, 10205), (2041, 7675), (3925, 3991)]