9957965

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{661}}^1$

素因数の和:820

約数の個数: 16

約数和(自身を含む): 12583296

約数和(自身を除く): 2625331

約数列:

[1, 5, 23, 115, 131, 655, 661, 3013, 3305, 15065, 15203, 76015, 86591, 432955, 1991593, 9957965]

約数ペア:

[(1, 9957965), (5, 1991593), (23, 432955), (115, 86591), (131, 76015), (655, 15203), (661, 15065), (3013, 3305)]