51618286

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{419}}^1\times {\mathrm{1987}}^1$

素因数の和:2439

約数の個数: 16

約数和(自身を含む): 80156160

約数和(自身を除く): 28537874

約数列:

[1, 2, 31, 62, 419, 838, 1987, 3974, 12989, 25978, 61597, 123194, 832553, 1665106, 25809143, 51618286]

約数ペア:

[(1, 51618286), (2, 25809143), (31, 1665106), (62, 832553), (419, 123194), (838, 61597), (1987, 25978), (3974, 12989)]