31813808

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3557}}^1$

素因数の和:3621

約数の個数: 40

約数和(自身を含む): 67943568

約数和(自身を除く): 36129760

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 3557, 4472, 7114, 8944, 14228, 28456, 46241, 56912, 92482, 152951, 184964, 305902, 369928, 611804, 739856, 1223608, 1988363, 2447216, 3976726, 7953452, 15906904, 31813808]

約数ペア:

[(1, 31813808), (2, 15906904), (4, 7953452), (8, 3976726), (13, 2447216), (16, 1988363), (26, 1223608), (43, 739856), (52, 611804), (86, 369928), (104, 305902), (172, 184964), (208, 152951), (344, 92482), (559, 56912), (688, 46241), (1118, 28456), (2236, 14228), (3557, 8944), (4472, 7114)]