30978505

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{4391}}^1$

素因数の和:4496

約数の個数: 16

約数和(自身を含む): 39844224

約数和(自身を除く): 8865719

約数列:

[1, 5, 17, 83, 85, 415, 1411, 4391, 7055, 21955, 74647, 364453, 373235, 1822265, 6195701, 30978505]

約数ペア:

[(1, 30978505), (5, 6195701), (17, 1822265), (83, 373235), (85, 364453), (415, 74647), (1411, 21955), (4391, 7055)]