1311632

素因数分解:

$2^4\times 7^3\times {\mathrm{239}}^1$

素因数の和:268

約数の個数: 40

約数和(自身を含む): 2976000

約数和(自身を除く): 1664368

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 239, 343, 392, 478, 686, 784, 956, 1372, 1673, 1912, 2744, 3346, 3824, 5488, 6692, 11711, 13384, 23422, 26768, 46844, 81977, 93688, 163954, 187376, 327908, 655816, 1311632]

約数ペア:

[(1, 1311632), (2, 655816), (4, 327908), (7, 187376), (8, 163954), (14, 93688), (16, 81977), (28, 46844), (49, 26768), (56, 23422), (98, 13384), (112, 11711), (196, 6692), (239, 5488), (343, 3824), (392, 3346), (478, 2744), (686, 1912), (784, 1673), (956, 1372)]