128520332

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{89003}}^1$

素因数の和:89045

約数の個数: 18

約数和(自身を含む): 237373668

約数和(自身を除く): 108853336

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 89003, 178006, 356012, 1691057, 3382114, 6764228, 32130083, 64260166, 128520332]

約数ペア:

[(1, 128520332), (2, 64260166), (4, 32130083), (19, 6764228), (38, 3382114), (76, 1691057), (361, 356012), (722, 178006), (1444, 89003)]