221191376

素因数分解:

$2^4\times 7^1\times {\mathrm{1974923}}^1$

素因数の和:1974938

約数の個数: 20

約数和(自身を含む): 489781152

約数和(自身を除く): 268589776

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1974923, 3949846, 7899692, 13824461, 15799384, 27648922, 31598768, 55297844, 110595688, 221191376]

約数ペア:

[(1, 221191376), (2, 110595688), (4, 55297844), (7, 31598768), (8, 27648922), (14, 15799384), (16, 13824461), (28, 7899692), (56, 3949846), (112, 1974923)]