31031885

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{12589}}^1$

素因数の和:12640

約数の個数: 16

約数和(自身を含む): 40791600

約数和(自身を除く): 9759715

約数列:

[1, 5, 17, 29, 85, 145, 493, 2465, 12589, 62945, 214013, 365081, 1070065, 1825405, 6206377, 31031885]

約数ペア:

[(1, 31031885), (5, 6206377), (17, 1825405), (29, 1070065), (85, 365081), (145, 214013), (493, 62945), (2465, 12589)]