639461870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{733}}^1\times {\mathrm{3793}}^1$

素因数の和:4556

約数の個数: 32

約数和(自身を含む): 1203031872

約数和(自身を除く): 563570002

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 733, 1466, 3665, 3793, 7330, 7586, 16859, 18965, 33718, 37930, 84295, 87239, 168590, 174478, 436195, 872390, 2780269, 5560538, 13901345, 27802690, 63946187, 127892374, 319730935, 639461870]

約数ペア:

[(1, 639461870), (2, 319730935), (5, 127892374), (10, 63946187), (23, 27802690), (46, 13901345), (115, 5560538), (230, 2780269), (733, 872390), (1466, 436195), (3665, 174478), (3793, 168590), (7330, 87239), (7586, 84295), (16859, 37930), (18965, 33718)]