1278550217

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{24793}}^1$

素因数の和:24992

約数の個数: 16

約数和(自身を含む): 1499541120

約数和(自身を除く): 220990903

約数列:

[1, 7, 53, 139, 371, 973, 7367, 24793, 51569, 173551, 1314029, 3446227, 9198203, 24123589, 182650031, 1278550217]

約数ペア:

[(1, 1278550217), (7, 182650031), (53, 24123589), (139, 9198203), (371, 3446227), (973, 1314029), (7367, 173551), (24793, 51569)]