221143930511

素因数分解:

$7^2\times {\mathrm{10103}}^1\times {\mathrm{446713}}^1$

素因数の和:456830

約数の個数: 12

約数和(自身を含む): 257275100592

約数和(自身を除く): 36131170081

約数列:

[1, 7, 49, 10103, 70721, 446713, 495047, 3126991, 21888937, 4513141439, 31591990073, 221143930511]

約数ペア:

[(1, 221143930511), (7, 31591990073), (49, 4513141439), (10103, 21888937), (70721, 3126991), (446713, 495047)]