221607604

素因数分解:

$2^2\times {\mathrm{821}}^1\times {\mathrm{67481}}^1$

素因数の和:68306

約数の個数: 12

約数和(自身を含む): 388291428

約数和(自身を除く): 166683824

約数列:

[1, 2, 4, 821, 1642, 3284, 67481, 134962, 269924, 55401901, 110803802, 221607604]

約数ペア:

[(1, 221607604), (2, 110803802), (4, 55401901), (821, 269924), (1642, 134962), (3284, 67481)]