221350384

素因数分解:

$2^4\times {\mathrm{1009}}^1\times {\mathrm{13711}}^1$

素因数の和:14728

約数の個数: 20

約数和(自身を含む): 429322720

約数和(自身を除く): 207972336

約数列:

[1, 2, 4, 8, 16, 1009, 2018, 4036, 8072, 13711, 16144, 27422, 54844, 109688, 219376, 13834399, 27668798, 55337596, 110675192, 221350384]

約数ペア:

[(1, 221350384), (2, 110675192), (4, 55337596), (8, 27668798), (16, 13834399), (1009, 219376), (2018, 109688), (4036, 54844), (8072, 27422), (13711, 16144)]