551457985

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{2953}}^1$

素因数の和:3014

約数の個数: 32

約数和(自身を含む): 759296160

約数和(自身を除く): 207838175

約数列:

[1, 5, 13, 17, 65, 85, 169, 221, 845, 1105, 2197, 2873, 2953, 10985, 14365, 14765, 37349, 38389, 50201, 186745, 191945, 251005, 499057, 652613, 2495285, 3263065, 6487741, 8483969, 32438705, 42419845, 110291597, 551457985]

約数ペア:

[(1, 551457985), (5, 110291597), (13, 42419845), (17, 32438705), (65, 8483969), (85, 6487741), (169, 3263065), (221, 2495285), (845, 652613), (1105, 499057), (2197, 251005), (2873, 191945), (2953, 186745), (10985, 50201), (14365, 38389), (14765, 37349)]