260889074

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1\times {\mathrm{4723}}^1$

素因数の和:5185

約数の個数: 16

約数和(自身を含む): 397949760

約数和(自身を除く): 137060686

約数列:

[1, 2, 71, 142, 389, 778, 4723, 9446, 27619, 55238, 335333, 670666, 1837247, 3674494, 130444537, 260889074]

約数ペア:

[(1, 260889074), (2, 130444537), (71, 3674494), (142, 1837247), (389, 670666), (778, 335333), (4723, 55238), (9446, 27619)]