408064505

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1\times {\mathrm{251}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 523127808

約数和(自身を除く): 115063303

約数列:

[1, 5, 23, 67, 115, 211, 251, 335, 1055, 1255, 1541, 4853, 5773, 7705, 14137, 16817, 24265, 28865, 52961, 70685, 84085, 264805, 325151, 386791, 1218103, 1625755, 1933955, 3548387, 6090515, 17741935, 81612901, 408064505]

約数ペア:

[(1, 408064505), (5, 81612901), (23, 17741935), (67, 6090515), (115, 3548387), (211, 1933955), (251, 1625755), (335, 1218103), (1055, 386791), (1255, 325151), (1541, 264805), (4853, 84085), (5773, 70685), (7705, 52961), (14137, 28865), (16817, 24265)]