289434586

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{1559}}^1$

素因数の和:1806

約数の個数: 32

約数和(自身を含む): 505440000

約数和(自身を除く): 216005414

約数列:

[1, 2, 7, 14, 89, 149, 178, 298, 623, 1043, 1246, 1559, 2086, 3118, 10913, 13261, 21826, 26522, 92827, 138751, 185654, 232291, 277502, 464582, 971257, 1626037, 1942514, 3252074, 20673899, 41347798, 144717293, 289434586]

約数ペア:

[(1, 289434586), (2, 144717293), (7, 41347798), (14, 20673899), (89, 3252074), (149, 1942514), (178, 1626037), (298, 971257), (623, 464582), (1043, 277502), (1246, 232291), (1559, 185654), (2086, 138751), (3118, 92827), (10913, 26522), (13261, 21826)]