221530612

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{622277}}^1$

素因数の和:622370

約数の個数: 12

約数和(自身を含む): 392035140

約数和(自身を除く): 170504528

約数列:

[1, 2, 4, 89, 178, 356, 622277, 1244554, 2489108, 55382653, 110765306, 221530612]

約数ペア:

[(1, 221530612), (2, 110765306), (4, 55382653), (89, 2489108), (178, 1244554), (356, 622277)]