25561656

素因数分解:

$2^3\times 3^8\times {\mathrm{487}}^1$

素因数の和:517

約数の個数: 72

約数和(自身を含む): 72036120

約数和(自身を除く): 46474464

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 324, 486, 487, 648, 729, 972, 974, 1458, 1461, 1944, 1948, 2187, 2916, 2922, 3896, 4374, 4383, 5832, 5844, 6561, 8748, 8766, 11688, 13122, 13149, 17496, 17532, 26244, 26298, 35064, 39447, 52488, 52596, 78894, 105192, 118341, 157788, 236682, 315576, 355023, 473364, 710046, 946728, 1065069, 1420092, 2130138, 2840184, 3195207, 4260276, 6390414, 8520552, 12780828, 25561656]

約数ペア:

[(1, 25561656), (2, 12780828), (3, 8520552), (4, 6390414), (6, 4260276), (8, 3195207), (9, 2840184), (12, 2130138), (18, 1420092), (24, 1065069), (27, 946728), (36, 710046), (54, 473364), (72, 355023), (81, 315576), (108, 236682), (162, 157788), (216, 118341), (243, 105192), (324, 78894), (486, 52596), (487, 52488), (648, 39447), (729, 35064), (972, 26298), (974, 26244), (1458, 17532), (1461, 17496), (1944, 13149), (1948, 13122), (2187, 11688), (2916, 8766), (2922, 8748), (3896, 6561), (4374, 5844), (4383, 5832)]