78288835

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 103521600

約数和(自身を除く): 25232765

約数列:

[1, 5, 19, 29, 95, 145, 157, 181, 551, 785, 905, 2755, 2983, 3439, 4553, 5249, 14915, 17195, 22765, 26245, 28417, 86507, 99731, 142085, 432535, 498655, 539923, 824093, 2699615, 4120465, 15657767, 78288835]

約数ペア:

[(1, 78288835), (5, 15657767), (19, 4120465), (29, 2699615), (95, 824093), (145, 539923), (157, 498655), (181, 432535), (551, 142085), (785, 99731), (905, 86507), (2755, 28417), (2983, 26245), (3439, 22765), (4553, 17195), (5249, 14915)]