172078505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{24391}}^1$

素因数の和:24496

約数の個数: 16

約数和(自身を含む): 221284224

約数和(自身を除く): 49205719

約数列:

[1, 5, 17, 83, 85, 415, 1411, 7055, 24391, 121955, 414647, 2024453, 2073235, 10122265, 34415701, 172078505]

約数ペア:

[(1, 172078505), (5, 34415701), (17, 10122265), (83, 2073235), (85, 2024453), (415, 414647), (1411, 121955), (7055, 24391)]