199431130

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{89431}}^1$

素因数の和:89661

約数の個数: 16

約数和(自身を含む): 360589824

約数和(自身を除く): 161158694

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 89431, 178862, 447155, 894310, 19943113, 39886226, 99715565, 199431130]

約数ペア:

[(1, 199431130), (2, 99715565), (5, 39886226), (10, 19943113), (223, 894310), (446, 447155), (1115, 178862), (2230, 89431)]