391566136

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2791}}^1$

素因数の和:2900

約数の個数: 64

約数和(自身を含む): 844300800

約数和(自身を除く): 452734664

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 71, 76, 104, 142, 152, 247, 284, 494, 568, 923, 988, 1349, 1846, 1976, 2698, 2791, 3692, 5396, 5582, 7384, 10792, 11164, 17537, 22328, 35074, 36283, 53029, 70148, 72566, 106058, 140296, 145132, 198161, 212116, 290264, 396322, 424232, 689377, 792644, 1378754, 1585288, 2576093, 2757508, 3765059, 5152186, 5515016, 7530118, 10304372, 15060236, 20608744, 30120472, 48945767, 97891534, 195783068, 391566136]

約数ペア:

[(1, 391566136), (2, 195783068), (4, 97891534), (8, 48945767), (13, 30120472), (19, 20608744), (26, 15060236), (38, 10304372), (52, 7530118), (71, 5515016), (76, 5152186), (104, 3765059), (142, 2757508), (152, 2576093), (247, 1585288), (284, 1378754), (494, 792644), (568, 689377), (923, 424232), (988, 396322), (1349, 290264), (1846, 212116), (1976, 198161), (2698, 145132), (2791, 140296), (3692, 106058), (5396, 72566), (5582, 70148), (7384, 53029), (10792, 36283), (11164, 35074), (17537, 22328)]