25116518

素因数分解:

$2^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:130

約数の個数: 64

約数和(自身を含む): 48384000

約数和(自身を除く): 23267482

約数列:

[1, 2, 7, 14, 19, 38, 41, 47, 49, 82, 94, 98, 133, 266, 287, 329, 343, 574, 658, 686, 779, 893, 931, 1558, 1786, 1862, 1927, 2009, 2303, 3854, 4018, 4606, 5453, 6251, 6517, 10906, 12502, 13034, 13489, 14063, 16121, 26978, 28126, 32242, 36613, 38171, 43757, 73226, 76342, 87514, 94423, 188846, 256291, 267197, 306299, 512582, 534394, 612598, 660961, 1321922, 1794037, 3588074, 12558259, 25116518]

約数ペア:

[(1, 25116518), (2, 12558259), (7, 3588074), (14, 1794037), (19, 1321922), (38, 660961), (41, 612598), (47, 534394), (49, 512582), (82, 306299), (94, 267197), (98, 256291), (133, 188846), (266, 94423), (287, 87514), (329, 76342), (343, 73226), (574, 43757), (658, 38171), (686, 36613), (779, 32242), (893, 28126), (931, 26978), (1558, 16121), (1786, 14063), (1862, 13489), (1927, 13034), (2009, 12502), (2303, 10906), (3854, 6517), (4018, 6251), (4606, 5453)]