40563719

素因数分解:

$7^2\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:447

約数の個数: 24

約数和(自身を含む): 49278096

約数和(自身を除く): 8714377

約数列:

[1, 7, 41, 49, 61, 287, 331, 427, 2009, 2317, 2501, 2989, 13571, 16219, 17507, 20191, 94997, 122549, 141337, 664979, 827831, 989359, 5794817, 40563719]

約数ペア:

[(1, 40563719), (7, 5794817), (41, 989359), (49, 827831), (61, 664979), (287, 141337), (331, 122549), (427, 94997), (2009, 20191), (2317, 17507), (2501, 16219), (2989, 13571)]