66618085

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 87246720

約数和(自身を除く): 20628635

約数列:

[1, 5, 19, 53, 95, 101, 131, 265, 505, 655, 1007, 1919, 2489, 5035, 5353, 6943, 9595, 12445, 13231, 26765, 34715, 66155, 101707, 131917, 251389, 508535, 659585, 701243, 1256945, 3506215, 13323617, 66618085]

約数ペア:

[(1, 66618085), (5, 13323617), (19, 3506215), (53, 1256945), (95, 701243), (101, 659585), (131, 508535), (265, 251389), (505, 131917), (655, 101707), (1007, 66155), (1919, 34715), (2489, 26765), (5035, 13231), (5353, 12445), (6943, 9595)]