25976988

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{173}}^1$

素因数の和:323

約数の個数: 72

約数和(自身を含む): 68276208

約数和(自身を除く): 42299220

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 97, 129, 172, 173, 194, 258, 291, 346, 387, 388, 516, 519, 582, 692, 774, 873, 1038, 1164, 1548, 1557, 1746, 2076, 3114, 3492, 4171, 6228, 7439, 8342, 12513, 14878, 16684, 16781, 22317, 25026, 29756, 33562, 37539, 44634, 50052, 50343, 66951, 67124, 75078, 89268, 100686, 133902, 150156, 151029, 201372, 267804, 302058, 604116, 721583, 1443166, 2164749, 2886332, 4329498, 6494247, 8658996, 12988494, 25976988]

約数ペア:

[(1, 25976988), (2, 12988494), (3, 8658996), (4, 6494247), (6, 4329498), (9, 2886332), (12, 2164749), (18, 1443166), (36, 721583), (43, 604116), (86, 302058), (97, 267804), (129, 201372), (172, 151029), (173, 150156), (194, 133902), (258, 100686), (291, 89268), (346, 75078), (387, 67124), (388, 66951), (516, 50343), (519, 50052), (582, 44634), (692, 37539), (774, 33562), (873, 29756), (1038, 25026), (1164, 22317), (1548, 16781), (1557, 16684), (1746, 14878), (2076, 12513), (3114, 8342), (3492, 7439), (4171, 6228)]