221298749

素因数分解:

$7^2\times {\mathrm{1153}}^1\times {\mathrm{3917}}^1$

素因数の和:5084

約数の個数: 12

約数和(自身を含む): 257718204

約数和(自身を除く): 36419455

約数列:

[1, 7, 49, 1153, 3917, 8071, 27419, 56497, 191933, 4516301, 31614107, 221298749]

約数ペア:

[(1, 221298749), (7, 31614107), (49, 4516301), (1153, 191933), (3917, 56497), (8071, 27419)]