128457672

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{764629}}^1$

素因数の和:764645

約数の個数: 32

約数和(自身を含む): 367022400

約数和(自身を除く): 238564728

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 764629, 1529258, 2293887, 3058516, 4587774, 5352403, 6117032, 9175548, 10704806, 16057209, 18351096, 21409612, 32114418, 42819224, 64228836, 128457672]

約数ペア:

[(1, 128457672), (2, 64228836), (3, 42819224), (4, 32114418), (6, 21409612), (7, 18351096), (8, 16057209), (12, 10704806), (14, 9175548), (21, 6117032), (24, 5352403), (28, 4587774), (42, 3058516), (56, 2293887), (84, 1529258), (168, 764629)]