40784317

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{617}}^1$

素因数の和:721

約数の個数: 24

約数和(自身を含む): 50725440

約数和(自身を除く): 9941123

約数列:

[1, 7, 19, 49, 71, 133, 497, 617, 931, 1349, 3479, 4319, 9443, 11723, 30233, 43807, 66101, 82061, 306649, 574427, 832333, 2146543, 5826331, 40784317]

約数ペア:

[(1, 40784317), (7, 5826331), (19, 2146543), (49, 832333), (71, 574427), (133, 306649), (497, 82061), (617, 66101), (931, 43807), (1349, 30233), (3479, 11723), (4319, 9443)]