90407665

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^2\times {\mathrm{157}}^1$

素因数の和:309

約数の個数: 24

約数和(自身を含む): 113993208

約数和(自身を除く): 23585543

約数列:

[1, 5, 41, 53, 157, 205, 265, 785, 2173, 2809, 6437, 8321, 10865, 14045, 32185, 41605, 115169, 341161, 441013, 575845, 1705805, 2205065, 18081533, 90407665]

約数ペア:

[(1, 90407665), (5, 18081533), (41, 2205065), (53, 1705805), (157, 575845), (205, 441013), (265, 341161), (785, 115169), (2173, 41605), (2809, 32185), (6437, 14045), (8321, 10865)]