81685812

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{857}}^1$

素因数の和:937

約数の個数: 72

約数和(自身を含む): 211026816

約数和(自身を除く): 129341004

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 47, 52, 78, 94, 141, 156, 169, 188, 282, 338, 507, 564, 611, 676, 857, 1014, 1222, 1714, 1833, 2028, 2444, 2571, 3428, 3666, 5142, 7332, 7943, 10284, 11141, 15886, 22282, 23829, 31772, 33423, 40279, 44564, 47658, 66846, 80558, 95316, 120837, 133692, 144833, 161116, 241674, 289666, 434499, 483348, 523627, 579332, 868998, 1047254, 1570881, 1737996, 2094508, 3141762, 6283524, 6807151, 13614302, 20421453, 27228604, 40842906, 81685812]

約数ペア:

[(1, 81685812), (2, 40842906), (3, 27228604), (4, 20421453), (6, 13614302), (12, 6807151), (13, 6283524), (26, 3141762), (39, 2094508), (47, 1737996), (52, 1570881), (78, 1047254), (94, 868998), (141, 579332), (156, 523627), (169, 483348), (188, 434499), (282, 289666), (338, 241674), (507, 161116), (564, 144833), (611, 133692), (676, 120837), (857, 95316), (1014, 80558), (1222, 66846), (1714, 47658), (1833, 44564), (2028, 40279), (2444, 33423), (2571, 31772), (3428, 23829), (3666, 22282), (5142, 15886), (7332, 11141), (7943, 10284)]