128915298

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{231031}}^1$

素因数の和:231070

約数の個数: 24

約数和(自身を含む): 288327936

約数和(自身を除く): 159412638

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 231031, 462062, 693093, 1386186, 2079279, 4158558, 7161961, 14323922, 21485883, 42971766, 64457649, 128915298]

約数ペア:

[(1, 128915298), (2, 64457649), (3, 42971766), (6, 21485883), (9, 14323922), (18, 7161961), (31, 4158558), (62, 2079279), (93, 1386186), (186, 693093), (279, 462062), (558, 231031)]