66409855

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{19913}}^1$

素因数の和:19970

約数の個数: 16

約数和(自身を含む): 86028480

約数和(自身を除く): 19618625

約数列:

[1, 5, 23, 29, 115, 145, 667, 3335, 19913, 99565, 457999, 577477, 2289995, 2887385, 13281971, 66409855]

約数ペア:

[(1, 66409855), (5, 13281971), (23, 2887385), (29, 2289995), (115, 577477), (145, 457999), (667, 99565), (3335, 19913)]