65283985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 88058880

約数和(自身を除く): 22774895

約数列:

[1, 5, 13, 31, 65, 155, 179, 181, 403, 895, 905, 2015, 2327, 2353, 5549, 5611, 11635, 11765, 27745, 28055, 32399, 72137, 72943, 161995, 360685, 364715, 421187, 1004369, 2105935, 5021845, 13056797, 65283985]

約数ペア:

[(1, 65283985), (5, 13056797), (13, 5021845), (31, 2105935), (65, 1004369), (155, 421187), (179, 364715), (181, 360685), (403, 161995), (895, 72943), (905, 72137), (2015, 32399), (2327, 28055), (2353, 27745), (5549, 11765), (5611, 11635)]