212551122265

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{403679}}^1$

素因数の和:403837

約数の個数: 32

約数和(自身を含む): 272823091200

約数和(自身を除く): 60271968935

約数列:

[1, 5, 31, 43, 79, 155, 215, 395, 1333, 2449, 3397, 6665, 12245, 16985, 105307, 403679, 526535, 2018395, 12514049, 17358197, 31890641, 62570245, 86790985, 159453205, 538104107, 988609871, 1371297563, 2690520535, 4943049355, 6856487815, 42510224453, 212551122265]

約数ペア:

[(1, 212551122265), (5, 42510224453), (31, 6856487815), (43, 4943049355), (79, 2690520535), (155, 1371297563), (215, 988609871), (395, 538104107), (1333, 159453205), (2449, 86790985), (3397, 62570245), (6665, 31890641), (12245, 17358197), (16985, 12514049), (105307, 2018395), (403679, 526535)]