90371005

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{281}}^1\times {\mathrm{491}}^1$

素因数の和:908

約数の個数: 16

約数和(自身を含む): 109885248

約数和(自身を除く): 19514243

約数列:

[1, 5, 131, 281, 491, 655, 1405, 2455, 36811, 64321, 137971, 184055, 321605, 689855, 18074201, 90371005]

約数ペア:

[(1, 90371005), (5, 18074201), (131, 689855), (281, 321605), (491, 184055), (655, 137971), (1405, 64321), (2455, 36811)]