1311011858

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{321169}}^1$

素因数の和:321341

約数の個数: 16

約数和(自身を含む): 2131284120

約数和(自身を除く): 820272262

約数列:

[1, 2, 13, 26, 157, 314, 2041, 4082, 321169, 642338, 4175197, 8350394, 50423533, 100847066, 655505929, 1311011858]

約数ペア:

[(1, 1311011858), (2, 655505929), (13, 100847066), (26, 50423533), (157, 8350394), (314, 4175197), (2041, 642338), (4082, 321169)]