31699590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{81281}}^1$

素因数の和:81304

約数の個数: 32

約数和(自身を含む): 81932256

約数和(自身を除く): 50232666

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 81281, 162562, 243843, 406405, 487686, 812810, 1056653, 1219215, 2113306, 2438430, 3169959, 5283265, 6339918, 10566530, 15849795, 31699590]

約数ペア:

[(1, 31699590), (2, 15849795), (3, 10566530), (5, 6339918), (6, 5283265), (10, 3169959), (13, 2438430), (15, 2113306), (26, 1219215), (30, 1056653), (39, 812810), (65, 487686), (78, 406405), (130, 243843), (195, 162562), (390, 81281)]