4128215

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1$

素因数の和:279

約数の個数: 32

約数和(自身を含む): 6268416

約数和(自身を除く): 2140201

約数列:

[1, 5, 7, 13, 35, 43, 65, 91, 211, 215, 301, 455, 559, 1055, 1477, 1505, 2743, 2795, 3913, 7385, 9073, 13715, 19201, 19565, 45365, 63511, 96005, 117949, 317555, 589745, 825643, 4128215]

約数ペア:

[(1, 4128215), (5, 825643), (7, 589745), (13, 317555), (35, 117949), (43, 96005), (65, 63511), (91, 45365), (211, 19565), (215, 19201), (301, 13715), (455, 9073), (559, 7385), (1055, 3913), (1477, 2795), (1505, 2743)]