219163390

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{246251}}^1$

素因数の和:246347

約数の個数: 16

約数和(自身を含む): 398928240

約数和(自身を除く): 179764850

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 246251, 492502, 1231255, 2462510, 21916339, 43832678, 109581695, 219163390]

約数ペア:

[(1, 219163390), (2, 109581695), (5, 43832678), (10, 21916339), (89, 2462510), (178, 1231255), (445, 492502), (890, 246251)]