216156785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{983}}^1$

素因数の和:1217

約数の個数: 32

約数和(自身を含む): 297561600

約数和(自身を除く): 81404815

約数列:

[1, 5, 13, 17, 65, 85, 199, 221, 983, 995, 1105, 2587, 3383, 4915, 12779, 12935, 16711, 16915, 43979, 63895, 83555, 195617, 217243, 219895, 978085, 1086215, 2543021, 3325489, 12715105, 16627445, 43231357, 216156785]

約数ペア:

[(1, 216156785), (5, 43231357), (13, 16627445), (17, 12715105), (65, 3325489), (85, 2543021), (199, 1086215), (221, 978085), (983, 219895), (995, 217243), (1105, 195617), (2587, 83555), (3383, 63895), (4915, 43979), (12779, 16915), (12935, 16711)]