138563210

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{155689}}^1$

素因数の和:155785

約数の個数: 16

約数和(自身を含む): 252217800

約数和(自身を除く): 113654590

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 155689, 311378, 778445, 1556890, 13856321, 27712642, 69281605, 138563210]

約数ペア:

[(1, 138563210), (2, 69281605), (5, 27712642), (10, 13856321), (89, 1556890), (178, 778445), (445, 311378), (890, 155689)]