128250856

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{6329}}^1$

素因数の和:6501

約数の個数: 32

約数和(自身を含む): 256365000

約数和(自身を除く): 128114144

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 149, 298, 596, 1192, 2533, 5066, 6329, 10132, 12658, 20264, 25316, 50632, 107593, 215186, 430372, 860744, 943021, 1886042, 3772084, 7544168, 16031357, 32062714, 64125428, 128250856]

約数ペア:

[(1, 128250856), (2, 64125428), (4, 32062714), (8, 16031357), (17, 7544168), (34, 3772084), (68, 1886042), (136, 943021), (149, 860744), (298, 430372), (596, 215186), (1192, 107593), (2533, 50632), (5066, 25316), (6329, 20264), (10132, 12658)]