31770775

素因数分解:

$5^2\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{131}}^1$

素因数の和:339

約数の個数: 24

約数和(自身を含む): 40510800

約数和(自身を除く): 8740025

約数列:

[1, 5, 25, 89, 109, 131, 445, 545, 655, 2225, 2725, 3275, 9701, 11659, 14279, 48505, 58295, 71395, 242525, 291475, 356975, 1270831, 6354155, 31770775]

約数ペア:

[(1, 31770775), (5, 6354155), (25, 1270831), (89, 356975), (109, 291475), (131, 242525), (445, 71395), (545, 58295), (655, 48505), (2225, 14279), (2725, 11659), (3275, 9701)]