68479216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{4637}}^1$

素因数の和:4729

約数の個数: 40

約数和(自身を含む): 144928224

約数和(自身を除く): 76449008

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 71, 104, 142, 208, 284, 568, 923, 1136, 1846, 3692, 4637, 7384, 9274, 14768, 18548, 37096, 60281, 74192, 120562, 241124, 329227, 482248, 658454, 964496, 1316908, 2633816, 4279951, 5267632, 8559902, 17119804, 34239608, 68479216]

約数ペア:

[(1, 68479216), (2, 34239608), (4, 17119804), (8, 8559902), (13, 5267632), (16, 4279951), (26, 2633816), (52, 1316908), (71, 964496), (104, 658454), (142, 482248), (208, 329227), (284, 241124), (568, 120562), (923, 74192), (1136, 60281), (1846, 37096), (3692, 18548), (4637, 14768), (7384, 9274)]