216085424

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{221399}}^1$

素因数の和:221468

約数の個数: 20

約数和(自身を含む): 425530800

約数和(自身を除く): 209445376

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 221399, 442798, 885596, 1771192, 3542384, 13505339, 27010678, 54021356, 108042712, 216085424]

約数ペア:

[(1, 216085424), (2, 108042712), (4, 54021356), (8, 27010678), (16, 13505339), (61, 3542384), (122, 1771192), (244, 885596), (488, 442798), (976, 221399)]