31975216

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21961}}^1$

素因数の和:21989

約数の個数: 40

約数和(自身を含む): 76252064

約数和(自身を除く): 44276848

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 21961, 43922, 87844, 153727, 175688, 285493, 307454, 351376, 570986, 614908, 1141972, 1229816, 1998451, 2283944, 2459632, 3996902, 4567888, 7993804, 15987608, 31975216]

約数ペア:

[(1, 31975216), (2, 15987608), (4, 7993804), (7, 4567888), (8, 3996902), (13, 2459632), (14, 2283944), (16, 1998451), (26, 1229816), (28, 1141972), (52, 614908), (56, 570986), (91, 351376), (104, 307454), (112, 285493), (182, 175688), (208, 153727), (364, 87844), (728, 43922), (1456, 21961)]