521716

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:223

約数の個数: 24

約数和(自身を含む): 1003520

約数和(自身を除く): 481804

約数列:

[1, 2, 4, 13, 26, 52, 79, 127, 158, 254, 316, 508, 1027, 1651, 2054, 3302, 4108, 6604, 10033, 20066, 40132, 130429, 260858, 521716]

約数ペア:

[(1, 521716), (2, 260858), (4, 130429), (13, 40132), (26, 20066), (52, 10033), (79, 6604), (127, 4108), (158, 3302), (254, 2054), (316, 1651), (508, 1027)]