221025259

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{16301}}^1$

素因数の和:16470

約数の個数: 16

約数和(自身を含む): 273873600

約数和(自身を除く): 52848341

約数列:

[1, 7, 13, 91, 149, 1043, 1937, 13559, 16301, 114107, 211913, 1483391, 2428849, 17001943, 31575037, 221025259]

約数ペア:

[(1, 221025259), (7, 31575037), (13, 17001943), (91, 2428849), (149, 1483391), (1043, 211913), (1937, 114107), (13559, 16301)]