255560370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{655283}}^1$

素因数の和:655306

約数の個数: 32

約数和(自身を含む): 660526272

約数和(自身を除く): 404965902

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 655283, 1310566, 1965849, 3276415, 3931698, 6552830, 8518679, 9829245, 17037358, 19658490, 25556037, 42593395, 51112074, 85186790, 127780185, 255560370]

約数ペア:

[(1, 255560370), (2, 127780185), (3, 85186790), (5, 51112074), (6, 42593395), (10, 25556037), (13, 19658490), (15, 17037358), (26, 9829245), (30, 8518679), (39, 6552830), (65, 3931698), (78, 3276415), (130, 1965849), (195, 1310566), (390, 655283)]