68997815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{1217}}^1$

素因数の和:1291

約数の個数: 32

約数和(自身を含む): 94711680

約数和(自身を除く): 25713865

約数列:

[1, 5, 17, 23, 29, 85, 115, 145, 391, 493, 667, 1217, 1955, 2465, 3335, 6085, 11339, 20689, 27991, 35293, 56695, 103445, 139955, 176465, 475847, 599981, 811739, 2379235, 2999905, 4058695, 13799563, 68997815]

約数ペア:

[(1, 68997815), (5, 13799563), (17, 4058695), (23, 2999905), (29, 2379235), (85, 811739), (115, 599981), (145, 475847), (391, 176465), (493, 139955), (667, 103445), (1217, 56695), (1955, 35293), (2465, 27991), (3335, 20689), (6085, 11339)]