268551415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{3253}}^1$

素因数の和:3367

約数の個数: 32

約数和(自身を含む): 374860800

約数和(自身を除く): 106309385

約数列:

[1, 5, 11, 19, 55, 79, 95, 209, 395, 869, 1045, 1501, 3253, 4345, 7505, 16265, 16511, 35783, 61807, 82555, 178915, 256987, 309035, 679877, 1284935, 2826857, 3399385, 4882753, 14134285, 24413765, 53710283, 268551415]

約数ペア:

[(1, 268551415), (5, 53710283), (11, 24413765), (19, 14134285), (55, 4882753), (79, 3399385), (95, 2826857), (209, 1284935), (395, 679877), (869, 309035), (1045, 256987), (1501, 178915), (3253, 82555), (4345, 61807), (7505, 35783), (16265, 16511)]