80712476

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{7879}}^1$

素因数の和:8093

約数の個数: 24

約数和(自身を含む): 152903520

約数和(自身を除く): 72191044

約数列:

[1, 2, 4, 13, 26, 52, 197, 394, 788, 2561, 5122, 7879, 10244, 15758, 31516, 102427, 204854, 409708, 1552163, 3104326, 6208652, 20178119, 40356238, 80712476]

約数ペア:

[(1, 80712476), (2, 40356238), (4, 20178119), (13, 6208652), (26, 3104326), (52, 1552163), (197, 409708), (394, 204854), (788, 102427), (2561, 31516), (5122, 15758), (7879, 10244)]