261644870

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{293983}}^1$

素因数の和:294079

約数の個数: 16

約数和(自身を含む): 476254080

約数和(自身を除く): 214609210

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 293983, 587966, 1469915, 2939830, 26164487, 52328974, 130822435, 261644870]

約数ペア:

[(1, 261644870), (2, 130822435), (5, 52328974), (10, 26164487), (89, 2939830), (178, 1469915), (445, 587966), (890, 293983)]