81306862

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{14411}}^1$

素因数の和:14464

約数の個数: 32

約数和(自身を含む): 154957824

約数和(自身を除く): 73650962

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 5642, 14411, 28822, 100877, 187343, 201754, 374686, 446741, 893482, 1311401, 2622802, 3127187, 5807633, 6254374, 11615266, 40653431, 81306862]

約数ペア:

[(1, 81306862), (2, 40653431), (7, 11615266), (13, 6254374), (14, 5807633), (26, 3127187), (31, 2622802), (62, 1311401), (91, 893482), (182, 446741), (217, 374686), (403, 201754), (434, 187343), (806, 100877), (2821, 28822), (5642, 14411)]