81034146

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{163}}^1\times {\mathrm{389}}^1$

素因数の和:631

約数の個数: 48

約数和(自身を含む): 179599680

約数和(自身を除く): 98565534

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 163, 213, 326, 389, 426, 489, 639, 778, 978, 1167, 1278, 1467, 2334, 2934, 3501, 7002, 11573, 23146, 27619, 34719, 55238, 63407, 69438, 82857, 104157, 126814, 165714, 190221, 208314, 248571, 380442, 497142, 570663, 1141326, 4501897, 9003794, 13505691, 27011382, 40517073, 81034146]

約数ペア:

[(1, 81034146), (2, 40517073), (3, 27011382), (6, 13505691), (9, 9003794), (18, 4501897), (71, 1141326), (142, 570663), (163, 497142), (213, 380442), (326, 248571), (389, 208314), (426, 190221), (489, 165714), (639, 126814), (778, 104157), (978, 82857), (1167, 69438), (1278, 63407), (1467, 55238), (2334, 34719), (2934, 27619), (3501, 23146), (7002, 11573)]