31288231

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:223

約数の個数: 24

約数和(自身を含む): 36484560

約数和(自身を除く): 5196329

約数列:

[1, 13, 19, 59, 113, 247, 361, 767, 1121, 1469, 2147, 4693, 6667, 14573, 21299, 27911, 40793, 86671, 126673, 276887, 530309, 1646749, 2406787, 31288231]

約数ペア:

[(1, 31288231), (13, 2406787), (19, 1646749), (59, 530309), (113, 276887), (247, 126673), (361, 86671), (767, 40793), (1121, 27911), (1469, 21299), (2147, 14573), (4693, 6667)]