128569218

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^2\times {\mathrm{40507}}^1$

素因数の和:40558

約数の個数: 24

約数和(自身を含む): 268811088

約数和(自身を除く): 140241870

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 529, 1058, 1587, 3174, 40507, 81014, 121521, 243042, 931661, 1863322, 2794983, 5589966, 21428203, 42856406, 64284609, 128569218]

約数ペア:

[(1, 128569218), (2, 64284609), (3, 42856406), (6, 21428203), (23, 5589966), (46, 2794983), (69, 1863322), (138, 931661), (529, 243042), (1058, 121521), (1587, 81014), (3174, 40507)]