1389544

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 2903040

約数和(自身を除く): 1513496

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 431, 806, 862, 1612, 1724, 3224, 3448, 5603, 11206, 13361, 22412, 26722, 44824, 53444, 106888, 173693, 347386, 694772, 1389544]

約数ペア:

[(1, 1389544), (2, 694772), (4, 347386), (8, 173693), (13, 106888), (26, 53444), (31, 44824), (52, 26722), (62, 22412), (104, 13361), (124, 11206), (248, 5603), (403, 3448), (431, 3224), (806, 1724), (862, 1612)]