668030972

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{554843}}^1$

素因数の和:554897

約数の個数: 24

約数和(自身を含む): 1367135616

約数和(自身を除く): 699104644

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 554843, 1109686, 2219372, 3883901, 7767802, 15535604, 23858249, 47716498, 95432996, 167007743, 334015486, 668030972]

約数ペア:

[(1, 668030972), (2, 334015486), (4, 167007743), (7, 95432996), (14, 47716498), (28, 23858249), (43, 15535604), (86, 7767802), (172, 3883901), (301, 2219372), (602, 1109686), (1204, 554843)]