497497

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:109

約数の個数: 24

約数和(自身を含む): 689472

約数和(自身を除く): 191975

約数列:

[1, 7, 11, 13, 49, 71, 77, 91, 143, 497, 539, 637, 781, 923, 1001, 3479, 5467, 6461, 7007, 10153, 38269, 45227, 71071, 497497]

約数ペア:

[(1, 497497), (7, 71071), (11, 45227), (13, 38269), (49, 10153), (71, 7007), (77, 6461), (91, 5467), (143, 3479), (497, 1001), (539, 923), (637, 781)]