81290232

素因数分解:

$2^3\times 3^2\times {\mathrm{727}}^1\times {\mathrm{1553}}^1$

素因数の和:2292

約数の個数: 48

約数和(自身を含む): 220605840

約数和(自身を除く): 139315608

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 727, 1454, 1553, 2181, 2908, 3106, 4362, 4659, 5816, 6212, 6543, 8724, 9318, 12424, 13086, 13977, 17448, 18636, 26172, 27954, 37272, 52344, 55908, 111816, 1129031, 2258062, 3387093, 4516124, 6774186, 9032248, 10161279, 13548372, 20322558, 27096744, 40645116, 81290232]

約数ペア:

[(1, 81290232), (2, 40645116), (3, 27096744), (4, 20322558), (6, 13548372), (8, 10161279), (9, 9032248), (12, 6774186), (18, 4516124), (24, 3387093), (36, 2258062), (72, 1129031), (727, 111816), (1454, 55908), (1553, 52344), (2181, 37272), (2908, 27954), (3106, 26172), (4362, 18636), (4659, 17448), (5816, 13977), (6212, 13086), (6543, 12424), (8724, 9318)]