28253279

素因数分解:

${\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:374

約数の個数: 16

約数和(自身を含む): 30307200

約数和(自身を除く): 2053921

約数列:

[1, 29, 43, 139, 163, 1247, 4031, 4727, 5977, 7009, 22657, 173333, 203261, 657053, 974251, 28253279]

約数ペア:

[(1, 28253279), (29, 974251), (43, 657053), (139, 203261), (163, 173333), (1247, 22657), (4031, 7009), (4727, 5977)]