81222008

素因数分解:

$2^3\times 7^2\times {\mathrm{207199}}^1$

素因数の和:207219

約数の個数: 24

約数和(自身を含む): 177156000

約数和(自身を除く): 95933992

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 207199, 414398, 828796, 1450393, 1657592, 2900786, 5801572, 10152751, 11603144, 20305502, 40611004, 81222008]

約数ペア:

[(1, 81222008), (2, 40611004), (4, 20305502), (7, 11603144), (8, 10152751), (14, 5801572), (28, 2900786), (49, 1657592), (56, 1450393), (98, 828796), (196, 414398), (392, 207199)]