81627266

素因数分解:

$2^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{359}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 142560000

約数和(自身を除く): 60932734

約数列:

[1, 2, 7, 14, 109, 149, 218, 298, 359, 718, 763, 1043, 1526, 2086, 2513, 5026, 16241, 32482, 39131, 53491, 78262, 106982, 113687, 227374, 273917, 374437, 547834, 748874, 5830519, 11661038, 40813633, 81627266]

約数ペア:

[(1, 81627266), (2, 40813633), (7, 11661038), (14, 5830519), (109, 748874), (149, 547834), (218, 374437), (298, 273917), (359, 227374), (718, 113687), (763, 106982), (1043, 78262), (1526, 53491), (2086, 39131), (2513, 32482), (5026, 16241)]