2643844

素因数分解:

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

素因数の和:113

約数の個数: 48

約数和(自身を含む): 5644800

約数和(自身を除く): 3000956

約数列:

[1, 2, 4, 7, 14, 28, 41, 47, 49, 82, 94, 98, 164, 188, 196, 287, 329, 343, 574, 658, 686, 1148, 1316, 1372, 1927, 2009, 2303, 3854, 4018, 4606, 7708, 8036, 9212, 13489, 14063, 16121, 26978, 28126, 32242, 53956, 56252, 64484, 94423, 188846, 377692, 660961, 1321922, 2643844]

約数ペア:

[(1, 2643844), (2, 1321922), (4, 660961), (7, 377692), (14, 188846), (28, 94423), (41, 64484), (47, 56252), (49, 53956), (82, 32242), (94, 28126), (98, 26978), (164, 16121), (188, 14063), (196, 13489), (287, 9212), (329, 8036), (343, 7708), (574, 4606), (658, 4018), (686, 3854), (1148, 2303), (1316, 2009), (1372, 1927)]