81247192

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41117}}^1$

素因数の和:41155

約数の個数: 32

約数和(自身を含む): 172695600

約数和(自身を除く): 91448408

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 41117, 82234, 164468, 328936, 534521, 781223, 1069042, 1562446, 2138084, 3124892, 4276168, 6249784, 10155899, 20311798, 40623596, 81247192]

約数ペア:

[(1, 81247192), (2, 40623596), (4, 20311798), (8, 10155899), (13, 6249784), (19, 4276168), (26, 3124892), (38, 2138084), (52, 1562446), (76, 1069042), (104, 781223), (152, 534521), (247, 328936), (494, 164468), (988, 82234), (1976, 41117)]