129419336

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{19801}}^1$

素因数の和:19869

約数の個数: 32

約数和(自身を含む): 261386400

約数和(自身を除く): 131967064

約数列:

[1, 2, 4, 8, 19, 38, 43, 76, 86, 152, 172, 344, 817, 1634, 3268, 6536, 19801, 39602, 79204, 158408, 376219, 752438, 851443, 1504876, 1702886, 3009752, 3405772, 6811544, 16177417, 32354834, 64709668, 129419336]

約数ペア:

[(1, 129419336), (2, 64709668), (4, 32354834), (8, 16177417), (19, 6811544), (38, 3405772), (43, 3009752), (76, 1702886), (86, 1504876), (152, 851443), (172, 752438), (344, 376219), (817, 158408), (1634, 79204), (3268, 39602), (6536, 19801)]