78947545

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{10837}}^1$

素因数の和:10920

約数の個数: 16

約数和(自身を含む): 99883008

約数和(自身を除く): 20935463

約数列:

[1, 5, 31, 47, 155, 235, 1457, 7285, 10837, 54185, 335947, 509339, 1679735, 2546695, 15789509, 78947545]

約数ペア:

[(1, 78947545), (5, 15789509), (31, 2546695), (47, 1679735), (155, 509339), (235, 335947), (1457, 54185), (7285, 10837)]