253646185

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{421}}^1$

素因数の和:506

約数の個数: 48

約数和(自身を含む): 355857408

約数和(自身を除く): 102211223

約数列:

[1, 5, 13, 23, 31, 65, 115, 155, 169, 299, 403, 421, 713, 845, 1495, 2015, 2105, 3565, 3887, 5239, 5473, 9269, 9683, 13051, 19435, 26195, 27365, 46345, 48415, 65255, 71149, 120497, 125879, 169663, 300173, 355745, 602485, 629395, 848315, 1500865, 1636427, 2205619, 3902249, 8182135, 11028095, 19511245, 50729237, 253646185]

約数ペア:

[(1, 253646185), (5, 50729237), (13, 19511245), (23, 11028095), (31, 8182135), (65, 3902249), (115, 2205619), (155, 1636427), (169, 1500865), (299, 848315), (403, 629395), (421, 602485), (713, 355745), (845, 300173), (1495, 169663), (2015, 125879), (2105, 120497), (3565, 71149), (3887, 65255), (5239, 48415), (5473, 46345), (9269, 27365), (9683, 26195), (13051, 19435)]