215364245

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{103}}^1\times {\mathrm{1447}}^1$

素因数の和:1589

約数の個数: 24

約数和(自身を含む): 277390464

約数和(自身を除く): 62026219

約数列:

[1, 5, 17, 85, 103, 289, 515, 1445, 1447, 1751, 7235, 8755, 24599, 29767, 122995, 148835, 149041, 418183, 745205, 2090915, 2533697, 12668485, 43072849, 215364245]

約数ペア:

[(1, 215364245), (5, 43072849), (17, 12668485), (85, 2533697), (103, 2090915), (289, 745205), (515, 418183), (1445, 149041), (1447, 148835), (1751, 122995), (7235, 29767), (8755, 24599)]