388839731385

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1861}}^1\times {\mathrm{28027}}^1$

素因数の和:29974

約数の個数: 64

約数和(自身を含む): 721448792064

約数和(自身を除く): 332609060679

約数列:

[1, 3, 5, 7, 15, 21, 35, 71, 105, 213, 355, 497, 1065, 1491, 1861, 2485, 5583, 7455, 9305, 13027, 27915, 28027, 39081, 65135, 84081, 132131, 140135, 195405, 196189, 396393, 420405, 588567, 660655, 924917, 980945, 1981965, 1989917, 2774751, 2942835, 4624585, 5969751, 9949585, 13873755, 13929419, 29848755, 41788257, 52158247, 69647095, 156474741, 208941285, 260791235, 365107729, 782373705, 1095323187, 1825538645, 3703235537, 5476615935, 11109706611, 18516177685, 25922648759, 55548533055, 77767946277, 129613243795, 388839731385]

約数ペア:

[(1, 388839731385), (3, 129613243795), (5, 77767946277), (7, 55548533055), (15, 25922648759), (21, 18516177685), (35, 11109706611), (71, 5476615935), (105, 3703235537), (213, 1825538645), (355, 1095323187), (497, 782373705), (1065, 365107729), (1491, 260791235), (1861, 208941285), (2485, 156474741), (5583, 69647095), (7455, 52158247), (9305, 41788257), (13027, 29848755), (27915, 13929419), (28027, 13873755), (39081, 9949585), (65135, 5969751), (84081, 4624585), (132131, 2942835), (140135, 2774751), (195405, 1989917), (196189, 1981965), (396393, 980945), (420405, 924917), (588567, 660655)]