180907858

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:522

約数の個数: 32

約数和(自身を含む): 287400960

約数和(自身を除く): 106493102

約数列:

[1, 2, 29, 58, 71, 142, 197, 223, 394, 446, 2059, 4118, 5713, 6467, 11426, 12934, 13987, 15833, 27974, 31666, 43931, 87862, 405623, 459157, 811246, 918314, 1273999, 2547998, 3119101, 6238202, 90453929, 180907858]

約数ペア:

[(1, 180907858), (2, 90453929), (29, 6238202), (58, 3119101), (71, 2547998), (142, 1273999), (197, 918314), (223, 811246), (394, 459157), (446, 405623), (2059, 87862), (4118, 43931), (5713, 31666), (6467, 27974), (11426, 15833), (12934, 13987)]