1231998334

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1442621}}^1$

素因数の和:1442691

約数の個数: 16

約数和(自身を含む): 2146621536

約数和(自身を除く): 914623202

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 1442621, 2885242, 10098347, 20196694, 87999881, 175999762, 615999167, 1231998334]

約数ペア:

[(1, 1231998334), (2, 615999167), (7, 175999762), (14, 87999881), (61, 20196694), (122, 10098347), (427, 2885242), (854, 1442621)]