31457488

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{20269}}^1$

素因数の和:20374

約数の個数: 20

約数和(自身を含む): 61580260

約数和(自身を除く): 30122772

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 20269, 40538, 81076, 162152, 324304, 1966093, 3932186, 7864372, 15728744, 31457488]

約数ペア:

[(1, 31457488), (2, 15728744), (4, 7864372), (8, 3932186), (16, 1966093), (97, 324304), (194, 162152), (388, 81076), (776, 40538), (1552, 20269)]