1257156978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2721119}}^1$

素因数の和:2721142

約数の個数: 32

約数和(自身を含む): 3134730240

約数和(自身を除く): 1877573262

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 154, 231, 462, 2721119, 5442238, 8163357, 16326714, 19047833, 29932309, 38095666, 57143499, 59864618, 89796927, 114286998, 179593854, 209526163, 419052326, 628578489, 1257156978]

約数ペア:

[(1, 1257156978), (2, 628578489), (3, 419052326), (6, 209526163), (7, 179593854), (11, 114286998), (14, 89796927), (21, 59864618), (22, 57143499), (33, 38095666), (42, 29932309), (66, 19047833), (77, 16326714), (154, 8163357), (231, 5442238), (462, 2721119)]