81489876

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{522371}}^1$

素因数の和:522391

約数の個数: 24

約数和(自身を含む): 204769824

約数和(自身を除く): 123279948

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 522371, 1044742, 1567113, 2089484, 3134226, 6268452, 6790823, 13581646, 20372469, 27163292, 40744938, 81489876]

約数ペア:

[(1, 81489876), (2, 40744938), (3, 27163292), (4, 20372469), (6, 13581646), (12, 6790823), (13, 6268452), (26, 3134226), (39, 2089484), (52, 1567113), (78, 1044742), (156, 522371)]