28925659775

素因数分解:

$5^2\times {\mathrm{83}}^1\times {\mathrm{181}}^1\times {\mathrm{77017}}^1$

素因数の和:77291

約数の個数: 24

約数和(自身を含む): 36500986704

約数和(自身を除く): 7575326929

約数列:

[1, 5, 25, 83, 181, 415, 905, 2075, 4525, 15023, 75115, 77017, 375575, 385085, 1925425, 6392411, 13940077, 31962055, 69700385, 159810275, 348501925, 1157026391, 5785131955, 28925659775]

約数ペア:

[(1, 28925659775), (5, 5785131955), (25, 1157026391), (83, 348501925), (181, 159810275), (415, 69700385), (905, 31962055), (2075, 13940077), (4525, 6392411), (15023, 1925425), (75115, 385085), (77017, 375575)]