71995775

素因数分解:

$5^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{863}}^1$

素因数の和:991

約数の個数: 24

約数和(自身を含む): 92565504

約数和(自身を除く): 20569729

約数列:

[1, 5, 25, 47, 71, 235, 355, 863, 1175, 1775, 3337, 4315, 16685, 21575, 40561, 61273, 83425, 202805, 306365, 1014025, 1531825, 2879831, 14399155, 71995775]

約数ペア:

[(1, 71995775), (5, 14399155), (25, 2879831), (47, 1531825), (71, 1014025), (235, 306365), (355, 202805), (863, 83425), (1175, 61273), (1775, 40561), (3337, 21575), (4315, 16685)]