128525978

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{399149}}^1$

素因数の和:399181

約数の個数: 16

約数和(自身を含む): 229910400

約数和(自身を除く): 101384422

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 399149, 798298, 2794043, 5588086, 9180427, 18360854, 64262989, 128525978]

約数ペア:

[(1, 128525978), (2, 64262989), (7, 18360854), (14, 9180427), (23, 5588086), (46, 2794043), (161, 798298), (322, 399149)]