81963324

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{673}}^1$

素因数の和:899

約数の個数: 72

約数和(自身を含む): 220802400

約数和(自身を除く): 138839076

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 199, 204, 306, 398, 597, 612, 673, 796, 1194, 1346, 1791, 2019, 2388, 2692, 3383, 3582, 4038, 6057, 6766, 7164, 8076, 10149, 11441, 12114, 13532, 20298, 22882, 24228, 30447, 34323, 40596, 45764, 60894, 68646, 102969, 121788, 133927, 137292, 205938, 267854, 401781, 411876, 535708, 803562, 1205343, 1607124, 2276759, 2410686, 4553518, 4821372, 6830277, 9107036, 13660554, 20490831, 27321108, 40981662, 81963324]

約数ペア:

[(1, 81963324), (2, 40981662), (3, 27321108), (4, 20490831), (6, 13660554), (9, 9107036), (12, 6830277), (17, 4821372), (18, 4553518), (34, 2410686), (36, 2276759), (51, 1607124), (68, 1205343), (102, 803562), (153, 535708), (199, 411876), (204, 401781), (306, 267854), (398, 205938), (597, 137292), (612, 133927), (673, 121788), (796, 102969), (1194, 68646), (1346, 60894), (1791, 45764), (2019, 40596), (2388, 34323), (2692, 30447), (3383, 24228), (3582, 22882), (4038, 20298), (6057, 13532), (6766, 12114), (7164, 11441), (8076, 10149)]