196987888

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{397153}}^1$

素因数の和:397192

約数の個数: 20

約数和(自身を含む): 393976768

約数和(自身を除く): 196988880

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 397153, 794306, 1588612, 3177224, 6354448, 12311743, 24623486, 49246972, 98493944, 196987888]

約数ペア:

[(1, 196987888), (2, 98493944), (4, 49246972), (8, 24623486), (16, 12311743), (31, 6354448), (62, 3177224), (124, 1588612), (248, 794306), (496, 397153)]