78291759

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{773}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 133412832

約数和(自身を除く): 55121073

約数列:

[1, 3, 7, 13, 21, 39, 49, 53, 91, 147, 159, 273, 371, 637, 689, 773, 1113, 1911, 2067, 2319, 2597, 4823, 5411, 7791, 10049, 14469, 16233, 30147, 33761, 37877, 40969, 70343, 101283, 113631, 122907, 211029, 286783, 492401, 532597, 860349, 1477203, 1597791, 2007481, 3728179, 6022443, 11184537, 26097253, 78291759]

約数ペア:

[(1, 78291759), (3, 26097253), (7, 11184537), (13, 6022443), (21, 3728179), (39, 2007481), (49, 1597791), (53, 1477203), (91, 860349), (147, 532597), (159, 492401), (273, 286783), (371, 211029), (637, 122907), (689, 113631), (773, 101283), (1113, 70343), (1911, 40969), (2067, 37877), (2319, 33761), (2597, 30147), (4823, 16233), (5411, 14469), (7791, 10049)]