1808375

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:92

約数の個数: 32

約数和(自身を含む): 2560896

約数和(自身を除く): 752521

約数列:

[1, 5, 17, 23, 25, 37, 85, 115, 125, 185, 391, 425, 575, 629, 851, 925, 1955, 2125, 2875, 3145, 4255, 4625, 9775, 14467, 15725, 21275, 48875, 72335, 78625, 106375, 361675, 1808375]

約数ペア:

[(1, 1808375), (5, 361675), (17, 106375), (23, 78625), (25, 72335), (37, 48875), (85, 21275), (115, 15725), (125, 14467), (185, 9775), (391, 4625), (425, 4255), (575, 3145), (629, 2875), (851, 2125), (925, 1955)]