1956978

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:223

約数の個数: 48

約数和(自身を含む): 4605120

約数和(自身を除く): 2648142

約数列:

[1, 2, 3, 6, 9, 18, 23, 29, 46, 58, 69, 87, 138, 163, 174, 207, 261, 326, 414, 489, 522, 667, 978, 1334, 1467, 2001, 2934, 3749, 4002, 4727, 6003, 7498, 9454, 11247, 12006, 14181, 22494, 28362, 33741, 42543, 67482, 85086, 108721, 217442, 326163, 652326, 978489, 1956978]

約数ペア:

[(1, 1956978), (2, 978489), (3, 652326), (6, 326163), (9, 217442), (18, 108721), (23, 85086), (29, 67482), (46, 42543), (58, 33741), (69, 28362), (87, 22494), (138, 14181), (163, 12006), (174, 11247), (207, 9454), (261, 7498), (326, 6003), (414, 4727), (489, 4002), (522, 3749), (667, 2934), (978, 2001), (1334, 1467)]