287730325

素因数分解:

$5^2\times {\mathrm{89}}^2\times {\mathrm{1453}}^1$

素因数の和:1641

約数の個数: 18

約数和(自身を含む): 361087814

約数和(自身を除く): 73357489

約数列:

[1, 5, 25, 89, 445, 1453, 2225, 7265, 7921, 36325, 39605, 129317, 198025, 646585, 3232925, 11509213, 57546065, 287730325]

約数ペア:

[(1, 287730325), (5, 57546065), (25, 11509213), (89, 3232925), (445, 646585), (1453, 198025), (2225, 129317), (7265, 39605), (7921, 36325)]