201399510557

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{178704091}}^1$

素因数の和:178704128

約数の個数: 12

約数和(自身を含む): 244467197856

約数和(自身を除く): 43067687299

約数列:

[1, 7, 23, 49, 161, 1127, 178704091, 1250928637, 4110194093, 8756500459, 28771358651, 201399510557]

約数ペア:

[(1, 201399510557), (7, 28771358651), (23, 8756500459), (49, 4110194093), (161, 1250928637), (1127, 178704091)]