28709722

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{1721}}^1$

素因数の和:2181

約数の個数: 16

約数和(自身を含む): 45460800

約数和(自身を除く): 16751078

約数列:

[1, 2, 19, 38, 439, 878, 1721, 3442, 8341, 16682, 32699, 65398, 755519, 1511038, 14354861, 28709722]

約数ペア:

[(1, 28709722), (2, 14354861), (19, 1511038), (38, 755519), (439, 65398), (878, 32699), (1721, 16682), (3442, 8341)]