56530825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{181}}^1$

素因数の和:266

約数の個数: 36

約数和(自身を含む): 78435084

約数和(自身を除く): 21904259

約数列:

[1, 5, 13, 25, 31, 65, 155, 181, 325, 403, 775, 905, 961, 2015, 2353, 4525, 4805, 5611, 10075, 11765, 12493, 24025, 28055, 58825, 62465, 72943, 140275, 173941, 312325, 364715, 869705, 1823575, 2261233, 4348525, 11306165, 56530825]

約数ペア:

[(1, 56530825), (5, 11306165), (13, 4348525), (25, 2261233), (31, 1823575), (65, 869705), (155, 364715), (181, 312325), (325, 173941), (403, 140275), (775, 72943), (905, 62465), (961, 58825), (2015, 28055), (2353, 24025), (4525, 12493), (4805, 11765), (5611, 10075)]