223342405

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:502

約数の個数: 48

約数和(自身を含む): 322423920

約数和(自身を除く): 99081515

約数列:

[1, 5, 11, 13, 55, 65, 73, 121, 143, 365, 389, 605, 715, 803, 949, 1573, 1945, 4015, 4279, 4745, 5057, 7865, 8833, 10439, 21395, 25285, 28397, 44165, 47069, 52195, 55627, 114829, 141985, 235345, 278135, 312367, 369161, 574145, 611897, 1561835, 1845805, 3059485, 3436037, 4060771, 17180185, 20303855, 44668481, 223342405]

約数ペア:

[(1, 223342405), (5, 44668481), (11, 20303855), (13, 17180185), (55, 4060771), (65, 3436037), (73, 3059485), (121, 1845805), (143, 1561835), (365, 611897), (389, 574145), (605, 369161), (715, 312367), (803, 278135), (949, 235345), (1573, 141985), (1945, 114829), (4015, 55627), (4279, 52195), (4745, 47069), (5057, 44165), (7865, 28397), (8833, 25285), (10439, 21395)]