42581474

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{20731}}^1$

素因数の和:20825

約数の個数: 16

約数和(自身を含む): 69659520

約数和(自身を除く): 27078046

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 20731, 41462, 269503, 539006, 1637749, 3275498, 21290737, 42581474]

約数ペア:

[(1, 42581474), (2, 21290737), (13, 3275498), (26, 1637749), (79, 539006), (158, 269503), (1027, 41462), (2054, 20731)]