217296944

素因数分解:

$2^4\times {\mathrm{311}}^1\times {\mathrm{43669}}^1$

素因数の和:43988

約数の個数: 20

約数和(自身を含む): 422376240

約数和(自身を除く): 205079296

約数列:

[1, 2, 4, 8, 16, 311, 622, 1244, 2488, 4976, 43669, 87338, 174676, 349352, 698704, 13581059, 27162118, 54324236, 108648472, 217296944]

約数ペア:

[(1, 217296944), (2, 108648472), (4, 54324236), (8, 27162118), (16, 13581059), (311, 698704), (622, 349352), (1244, 174676), (2488, 87338), (4976, 43669)]