197811248

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{398813}}^1$

素因数の和:398852

約数の個数: 20

約数和(自身を含む): 395623488

約数和(自身を除く): 197812240

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 398813, 797626, 1595252, 3190504, 6381008, 12363203, 24726406, 49452812, 98905624, 197811248]

約数ペア:

[(1, 197811248), (2, 98905624), (4, 49452812), (8, 24726406), (16, 12363203), (31, 6381008), (62, 3190504), (124, 1595252), (248, 797626), (496, 398813)]