1281445202

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{189619}}^1$

素因数の和:189761

約数の個数: 16

約数和(自身を含む): 2002387200

約数和(自身を除く): 720941998

約数列:

[1, 2, 31, 62, 109, 218, 3379, 6758, 189619, 379238, 5878189, 11756378, 20668471, 41336942, 640722601, 1281445202]

約数ペア:

[(1, 1281445202), (2, 640722601), (31, 41336942), (62, 20668471), (109, 11756378), (218, 5878189), (3379, 379238), (6758, 189619)]