221991728

素因数分解:

$2^4\times 7^1\times {\mathrm{1982069}}^1$

素因数の和:1982084

約数の個数: 20

約数和(自身を含む): 491553360

約数和(自身を除く): 269561632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1982069, 3964138, 7928276, 13874483, 15856552, 27748966, 31713104, 55497932, 110995864, 221991728]

約数ペア:

[(1, 221991728), (2, 110995864), (4, 55497932), (7, 31713104), (8, 27748966), (14, 15856552), (16, 13874483), (28, 7928276), (56, 3964138), (112, 1982069)]