218674370

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1\times {\mathrm{2113}}^1$

素因数の和:2330

約数の個数: 32

約数和(自身を含む): 401829120

約数和(自身を除く): 183154750

約数列:

[1, 2, 5, 10, 79, 131, 158, 262, 395, 655, 790, 1310, 2113, 4226, 10349, 10565, 20698, 21130, 51745, 103490, 166927, 276803, 333854, 553606, 834635, 1384015, 1669270, 2768030, 21867437, 43734874, 109337185, 218674370]

約数ペア:

[(1, 218674370), (2, 109337185), (5, 43734874), (10, 21867437), (79, 2768030), (131, 1669270), (158, 1384015), (262, 834635), (395, 553606), (655, 333854), (790, 276803), (1310, 166927), (2113, 103490), (4226, 51745), (10349, 21130), (10565, 20698)]