81815344

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{8369}}^1$

素因数の和:8437

約数の個数: 40

約数和(自身を含む): 174363840

約数和(自身を除く): 92548496

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 611, 752, 1222, 2444, 4888, 8369, 9776, 16738, 33476, 66952, 108797, 133904, 217594, 393343, 435188, 786686, 870376, 1573372, 1740752, 3146744, 5113459, 6293488, 10226918, 20453836, 40907672, 81815344]

約数ペア:

[(1, 81815344), (2, 40907672), (4, 20453836), (8, 10226918), (13, 6293488), (16, 5113459), (26, 3146744), (47, 1740752), (52, 1573372), (94, 870376), (104, 786686), (188, 435188), (208, 393343), (376, 217594), (611, 133904), (752, 108797), (1222, 66952), (2444, 33476), (4888, 16738), (8369, 9776)]