205384718

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4129}}^1$

素因数の和:4185

約数の個数: 64

約数和(自身を含む): 428198400

約数和(自身を除く): 222813682

約数列:

[1, 2, 7, 11, 14, 17, 19, 22, 34, 38, 77, 119, 133, 154, 187, 209, 238, 266, 323, 374, 418, 646, 1309, 1463, 2261, 2618, 2926, 3553, 4129, 4522, 7106, 8258, 24871, 28903, 45419, 49742, 57806, 70193, 78451, 90838, 140386, 156902, 317933, 491351, 549157, 635866, 772123, 862961, 982702, 1098314, 1333667, 1544246, 1725922, 2667334, 5404861, 6040727, 9335669, 10809722, 12081454, 14670337, 18671338, 29340674, 102692359, 205384718]

約数ペア:

[(1, 205384718), (2, 102692359), (7, 29340674), (11, 18671338), (14, 14670337), (17, 12081454), (19, 10809722), (22, 9335669), (34, 6040727), (38, 5404861), (77, 2667334), (119, 1725922), (133, 1544246), (154, 1333667), (187, 1098314), (209, 982702), (238, 862961), (266, 772123), (323, 635866), (374, 549157), (418, 491351), (646, 317933), (1309, 156902), (1463, 140386), (2261, 90838), (2618, 78451), (2926, 70193), (3553, 57806), (4129, 49742), (4522, 45419), (7106, 28903), (8258, 24871)]