10011001

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 13724928

約数和(自身を除く): 3713927

約数列:

[1, 7, 11, 13, 73, 77, 91, 137, 143, 511, 803, 949, 959, 1001, 1507, 1781, 5621, 6643, 10001, 10439, 10549, 12467, 19591, 70007, 73073, 110011, 130013, 137137, 770077, 910091, 1430143, 10011001]

約数ペア:

[(1, 10011001), (7, 1430143), (11, 910091), (13, 770077), (73, 137137), (77, 130013), (91, 110011), (137, 73073), (143, 70007), (511, 19591), (803, 12467), (949, 10549), (959, 10439), (1001, 10001), (1507, 6643), (1781, 5621)]