279969775

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{1901}}^1$

素因数の和:2091

約数の個数: 24

約数和(自身を含む): 358017264

約数和(自身を除く): 78047489

約数列:

[1, 5, 25, 43, 137, 215, 685, 1075, 1901, 3425, 5891, 9505, 29455, 47525, 81743, 147275, 260437, 408715, 1302185, 2043575, 6510925, 11198791, 55993955, 279969775]

約数ペア:

[(1, 279969775), (5, 55993955), (25, 11198791), (43, 6510925), (137, 2043575), (215, 1302185), (685, 408715), (1075, 260437), (1901, 147275), (3425, 81743), (5891, 47525), (9505, 29455)]