31171984

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{67181}}^1$

素因数の和:67218

約数の個数: 20

約数和(自身を含む): 62479260

約数和(自身を除く): 31307276

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 67181, 134362, 268724, 537448, 1074896, 1948249, 3896498, 7792996, 15585992, 31171984]

約数ペア:

[(1, 31171984), (2, 15585992), (4, 7792996), (8, 3896498), (16, 1948249), (29, 1074896), (58, 537448), (116, 268724), (232, 134362), (464, 67181)]