208193531

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{1361}}^1$

素因数の和:1463

約数の個数: 24

約数和(自身を含む): 262833312

約数和(自身を除く): 54639781

約数列:

[1, 7, 13, 41, 91, 287, 533, 1361, 1681, 3731, 9527, 11767, 17693, 21853, 55801, 123851, 152971, 390607, 725413, 2287841, 5077891, 16014887, 29741933, 208193531]

約数ペア:

[(1, 208193531), (7, 29741933), (13, 16014887), (41, 5077891), (91, 2287841), (287, 725413), (533, 390607), (1361, 152971), (1681, 123851), (3731, 55801), (9527, 21853), (11767, 17693)]