28756325

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3847}}^1$

素因数の和:3893

約数の個数: 24

約数和(自身を含む): 40080768

約数和(自身を除く): 11324443

約数列:

[1, 5, 13, 23, 25, 65, 115, 299, 325, 575, 1495, 3847, 7475, 19235, 50011, 88481, 96175, 250055, 442405, 1150253, 1250275, 2212025, 5751265, 28756325]

約数ペア:

[(1, 28756325), (5, 5751265), (13, 2212025), (23, 1250275), (25, 1150253), (65, 442405), (115, 250055), (299, 96175), (325, 88481), (575, 50011), (1495, 19235), (3847, 7475)]