81108818

素因数分解:

$2^1\times 7^2\times {\mathrm{199}}^1\times {\mathrm{4159}}^1$

素因数の和:4374

約数の個数: 24

約数和(自身を含む): 142272000

約数和(自身を除く): 61163182

約数列:

[1, 2, 7, 14, 49, 98, 199, 398, 1393, 2786, 4159, 8318, 9751, 19502, 29113, 58226, 203791, 407582, 827641, 1655282, 5793487, 11586974, 40554409, 81108818]

約数ペア:

[(1, 81108818), (2, 40554409), (7, 11586974), (14, 5793487), (49, 1655282), (98, 827641), (199, 407582), (398, 203791), (1393, 58226), (2786, 29113), (4159, 19502), (8318, 9751)]