67820123

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{349}}^1$

素因数の和:467

約数の個数: 32

約数和(自身を含む): 87091200

約数和(自身を除く): 19271077

約数列:

[1, 7, 17, 23, 71, 119, 161, 349, 391, 497, 1207, 1633, 2443, 2737, 5933, 8027, 8449, 11431, 24779, 27761, 41531, 56189, 136459, 173453, 194327, 421243, 569917, 955213, 2948701, 3989419, 9688589, 67820123]

約数ペア:

[(1, 67820123), (7, 9688589), (17, 3989419), (23, 2948701), (71, 955213), (119, 569917), (161, 421243), (349, 194327), (391, 173453), (497, 136459), (1207, 56189), (1633, 41531), (2443, 27761), (2737, 24779), (5933, 11431), (8027, 8449)]