991650830

素因数分解:

$2^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{547}}^1\times {\mathrm{911}}^1$

素因数の和:1664

約数の個数: 32

約数和(自身を含む): 1799193600

約数和(自身を除く): 807542770

約数列:

[1, 2, 5, 10, 199, 398, 547, 911, 995, 1094, 1822, 1990, 2735, 4555, 5470, 9110, 108853, 181289, 217706, 362578, 498317, 544265, 906445, 996634, 1088530, 1812890, 2491585, 4983170, 99165083, 198330166, 495825415, 991650830]

約数ペア:

[(1, 991650830), (2, 495825415), (5, 198330166), (10, 99165083), (199, 4983170), (398, 2491585), (547, 1812890), (911, 1088530), (995, 996634), (1094, 906445), (1822, 544265), (1990, 498317), (2735, 362578), (4555, 217706), (5470, 181289), (9110, 108853)]