1311337552

素因数分解:

$2^4\times 7^1\times {\mathrm{239}}^1\times {\mathrm{48989}}^1$

素因数の和:49243

約数の個数: 40

約数和(自身を含む): 2915884800

約数和(自身を除く): 1604547248

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 239, 478, 956, 1673, 1912, 3346, 3824, 6692, 13384, 26768, 48989, 97978, 195956, 342923, 391912, 685846, 783824, 1371692, 2743384, 5486768, 11708371, 23416742, 46833484, 81958597, 93666968, 163917194, 187333936, 327834388, 655668776, 1311337552]

約数ペア:

[(1, 1311337552), (2, 655668776), (4, 327834388), (7, 187333936), (8, 163917194), (14, 93666968), (16, 81958597), (28, 46833484), (56, 23416742), (112, 11708371), (239, 5486768), (478, 2743384), (956, 1371692), (1673, 783824), (1912, 685846), (3346, 391912), (3824, 342923), (6692, 195956), (13384, 97978), (26768, 48989)]