128578878

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{310577}}^1$

素因数の和:310608

約数の個数: 24

約数和(自身を含む): 290701008

約数和(自身を除く): 162122130

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 310577, 621154, 931731, 1863462, 2795193, 5590386, 7143271, 14286542, 21429813, 42859626, 64289439, 128578878]

約数ペア:

[(1, 128578878), (2, 64289439), (3, 42859626), (6, 21429813), (9, 14286542), (18, 7143271), (23, 5590386), (46, 2795193), (69, 1863462), (138, 931731), (207, 621154), (414, 310577)]