1218364

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{821}}^1$

素因数の和:885

約数の個数: 24

約数和(自身を含む): 2485728

約数和(自身を除く): 1267364

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 821, 1484, 1642, 3284, 5747, 11494, 22988, 43513, 87026, 174052, 304591, 609182, 1218364]

約数ペア:

[(1, 1218364), (2, 609182), (4, 304591), (7, 174052), (14, 87026), (28, 43513), (53, 22988), (106, 11494), (212, 5747), (371, 3284), (742, 1642), (821, 1484)]