128990456

素因数分解:

$2^3\times 7^1\times {\mathrm{953}}^1\times {\mathrm{2417}}^1$

素因数の和:3383

約数の個数: 32

約数和(自身を含む): 276812640

約数和(自身を除く): 147822184

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 953, 1906, 2417, 3812, 4834, 6671, 7624, 9668, 13342, 16919, 19336, 26684, 33838, 53368, 67676, 135352, 2303401, 4606802, 9213604, 16123807, 18427208, 32247614, 64495228, 128990456]

約数ペア:

[(1, 128990456), (2, 64495228), (4, 32247614), (7, 18427208), (8, 16123807), (14, 9213604), (28, 4606802), (56, 2303401), (953, 135352), (1906, 67676), (2417, 53368), (3812, 33838), (4834, 26684), (6671, 19336), (7624, 16919), (9668, 13342)]