81492488

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{18899}}^1$

素因数の和:18930

約数の個数: 48

約数和(自身を含む): 193914000

約数和(自身を除く): 112421512

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 392, 539, 616, 1078, 2156, 4312, 18899, 37798, 75596, 132293, 151192, 207889, 264586, 415778, 529172, 831556, 926051, 1058344, 1455223, 1663112, 1852102, 2910446, 3704204, 5820892, 7408408, 10186561, 11641784, 20373122, 40746244, 81492488]

約数ペア:

[(1, 81492488), (2, 40746244), (4, 20373122), (7, 11641784), (8, 10186561), (11, 7408408), (14, 5820892), (22, 3704204), (28, 2910446), (44, 1852102), (49, 1663112), (56, 1455223), (77, 1058344), (88, 926051), (98, 831556), (154, 529172), (196, 415778), (308, 264586), (392, 207889), (539, 151192), (616, 132293), (1078, 75596), (2156, 37798), (4312, 18899)]