198864790

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{79229}}^1$

素因数の和:79487

約数の個数: 16

約数和(自身を含む): 359387280

約数和(自身を除く): 160522490

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 79229, 158458, 396145, 792290, 19886479, 39772958, 99432395, 198864790]

約数ペア:

[(1, 198864790), (2, 99432395), (5, 39772958), (10, 19886479), (251, 792290), (502, 396145), (1255, 158458), (2510, 79229)]