920256588

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{25847}}^1$

素因数の和:25923

約数の個数: 72

約数和(自身を含む): 2483889408

約数和(自身を除く): 1563632820

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 43, 46, 69, 86, 92, 129, 138, 172, 207, 258, 276, 387, 414, 516, 774, 828, 989, 1548, 1978, 2967, 3956, 5934, 8901, 11868, 17802, 25847, 35604, 51694, 77541, 103388, 155082, 232623, 310164, 465246, 594481, 930492, 1111421, 1188962, 1783443, 2222842, 2377924, 3334263, 3566886, 4445684, 5350329, 6668526, 7133772, 10002789, 10700658, 13337052, 20005578, 21401316, 25562683, 40011156, 51125366, 76688049, 102250732, 153376098, 230064147, 306752196, 460128294, 920256588]

約数ペア:

[(1, 920256588), (2, 460128294), (3, 306752196), (4, 230064147), (6, 153376098), (9, 102250732), (12, 76688049), (18, 51125366), (23, 40011156), (36, 25562683), (43, 21401316), (46, 20005578), (69, 13337052), (86, 10700658), (92, 10002789), (129, 7133772), (138, 6668526), (172, 5350329), (207, 4445684), (258, 3566886), (276, 3334263), (387, 2377924), (414, 2222842), (516, 1783443), (774, 1188962), (828, 1111421), (989, 930492), (1548, 594481), (1978, 465246), (2967, 310164), (3956, 232623), (5934, 155082), (8901, 103388), (11868, 77541), (17802, 51694), (25847, 35604)]