31127216

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{21859}}^1$

素因数の和:21956

約数の個数: 20

約数和(自身を含む): 60989400

約数和(自身を除く): 29862184

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 21859, 43718, 87436, 174872, 349744, 1945451, 3890902, 7781804, 15563608, 31127216]

約数ペア:

[(1, 31127216), (2, 15563608), (4, 7781804), (8, 3890902), (16, 1945451), (89, 349744), (178, 174872), (356, 87436), (712, 43718), (1424, 21859)]