25516288

素因数分解:

$2^8\times 7^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1$

素因数の和:543

約数の個数: 72

約数和(自身を含む): 60338880

約数和(自身を除く): 34822592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 128, 203, 224, 232, 256, 406, 448, 464, 491, 812, 896, 928, 982, 1624, 1792, 1856, 1964, 3248, 3437, 3712, 3928, 6496, 6874, 7424, 7856, 12992, 13748, 14239, 15712, 25984, 27496, 28478, 31424, 51968, 54992, 56956, 62848, 99673, 109984, 113912, 125696, 199346, 219968, 227824, 398692, 439936, 455648, 797384, 879872, 911296, 1594768, 1822592, 3189536, 3645184, 6379072, 12758144, 25516288]

約数ペア:

[(1, 25516288), (2, 12758144), (4, 6379072), (7, 3645184), (8, 3189536), (14, 1822592), (16, 1594768), (28, 911296), (29, 879872), (32, 797384), (56, 455648), (58, 439936), (64, 398692), (112, 227824), (116, 219968), (128, 199346), (203, 125696), (224, 113912), (232, 109984), (256, 99673), (406, 62848), (448, 56956), (464, 54992), (491, 51968), (812, 31424), (896, 28478), (928, 27496), (982, 25984), (1624, 15712), (1792, 14239), (1856, 13748), (1964, 12992), (3248, 7856), (3437, 7424), (3712, 6874), (3928, 6496)]