72798785

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:389

約数の個数: 32

約数和(自身を含む): 95800320

約数和(自身を除く): 23001535

約数列:

[1, 5, 19, 43, 71, 95, 215, 251, 355, 817, 1255, 1349, 3053, 4085, 4769, 6745, 10793, 15265, 17821, 23845, 53965, 58007, 89105, 205067, 290035, 338599, 766303, 1025335, 1692995, 3831515, 14559757, 72798785]

約数ペア:

[(1, 72798785), (5, 14559757), (19, 3831515), (43, 1692995), (71, 1025335), (95, 766303), (215, 338599), (251, 290035), (355, 205067), (817, 89105), (1255, 58007), (1349, 53965), (3053, 23845), (4085, 17821), (4769, 15265), (6745, 10793)]