68237975

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{521}}^1$

素因数の和:588

約数の個数: 36

約数和(自身を含む): 94761792

約数和(自身を除く): 26523817

約数列:

[1, 5, 13, 25, 31, 65, 155, 169, 325, 403, 521, 775, 845, 2015, 2605, 4225, 5239, 6773, 10075, 13025, 16151, 26195, 33865, 80755, 88049, 130975, 169325, 209963, 403775, 440245, 1049815, 2201225, 2729519, 5249075, 13647595, 68237975]

約数ペア:

[(1, 68237975), (5, 13647595), (13, 5249075), (25, 2729519), (31, 2201225), (65, 1049815), (155, 440245), (169, 403775), (325, 209963), (403, 169325), (521, 130975), (775, 88049), (845, 80755), (2015, 33865), (2605, 26195), (4225, 16151), (5239, 13025), (6773, 10075)]