643801535

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{2539}}^1$

素因数の和:2687

約数の個数: 32

約数和(自身を含む): 860267520

約数和(自身を除く): 216465985

約数列:

[1, 5, 13, 47, 65, 83, 235, 415, 611, 1079, 2539, 3055, 3901, 5395, 12695, 19505, 33007, 50713, 119333, 165035, 210737, 253565, 596665, 1053685, 1551329, 2739581, 7756645, 9904639, 13697905, 49523195, 128760307, 643801535]

約数ペア:

[(1, 643801535), (5, 128760307), (13, 49523195), (47, 13697905), (65, 9904639), (83, 7756645), (235, 2739581), (415, 1551329), (611, 1053685), (1079, 596665), (2539, 253565), (3055, 210737), (3901, 165035), (5395, 119333), (12695, 50713), (19505, 33007)]