128020424

素因数分解:

$2^3\times 7^1\times {\mathrm{191}}^1\times {\mathrm{11969}}^1$

素因数の和:12173

約数の個数: 32

約数和(自身を含む): 275788800

約数和(自身を除く): 147768376

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 191, 382, 764, 1337, 1528, 2674, 5348, 10696, 11969, 23938, 47876, 83783, 95752, 167566, 335132, 670264, 2286079, 4572158, 9144316, 16002553, 18288632, 32005106, 64010212, 128020424]

約数ペア:

[(1, 128020424), (2, 64010212), (4, 32005106), (7, 18288632), (8, 16002553), (14, 9144316), (28, 4572158), (56, 2286079), (191, 670264), (382, 335132), (764, 167566), (1337, 95752), (1528, 83783), (2674, 47876), (5348, 23938), (10696, 11969)]