221237785279

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{5351}}^1\times {\mathrm{96827}}^1$

素因数の和:102246

約数の個数: 16

約数和(自身を含む): 257038834176

約数和(自身を除く): 35801048897

約数列:

[1, 7, 61, 427, 5351, 37457, 96827, 326411, 677789, 2284877, 5906447, 41345129, 518121277, 3626848939, 31605397897, 221237785279]

約数ペア:

[(1, 221237785279), (7, 31605397897), (61, 3626848939), (427, 518121277), (5351, 41345129), (37457, 5906447), (96827, 2284877), (326411, 677789)]