81138434

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{563}}^1$

素因数の和:842

約数の個数: 32

約数和(自身を含む): 137579904

約数和(自身を除く): 56441470

約数列:

[1, 2, 13, 23, 26, 46, 241, 299, 482, 563, 598, 1126, 3133, 5543, 6266, 7319, 11086, 12949, 14638, 25898, 72059, 135683, 144118, 168337, 271366, 336674, 1763879, 3120709, 3527758, 6241418, 40569217, 81138434]

約数ペア:

[(1, 81138434), (2, 40569217), (13, 6241418), (23, 3527758), (26, 3120709), (46, 1763879), (241, 336674), (299, 271366), (482, 168337), (563, 144118), (598, 135683), (1126, 72059), (3133, 25898), (5543, 14638), (6266, 12949), (7319, 11086)]