28681912

素因数分解:

$2^3\times 7^1\times {\mathrm{239}}^1\times {\mathrm{2143}}^1$

素因数の和:2395

約数の個数: 32

約数和(自身を含む): 61747200

約数和(自身を除く): 33065288

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 239, 478, 956, 1673, 1912, 2143, 3346, 4286, 6692, 8572, 13384, 15001, 17144, 30002, 60004, 120008, 512177, 1024354, 2048708, 3585239, 4097416, 7170478, 14340956, 28681912]

約数ペア:

[(1, 28681912), (2, 14340956), (4, 7170478), (7, 4097416), (8, 3585239), (14, 2048708), (28, 1024354), (56, 512177), (239, 120008), (478, 60004), (956, 30002), (1673, 17144), (1912, 15001), (2143, 13384), (3346, 8572), (4286, 6692)]