642834

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{503}}^1$

素因数の和:582

約数の個数: 24

約数和(自身を含む): 1415232

約数和(自身を除く): 772398

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 503, 639, 1006, 1278, 1509, 3018, 4527, 9054, 35713, 71426, 107139, 214278, 321417, 642834]

約数ペア:

[(1, 642834), (2, 321417), (3, 214278), (6, 107139), (9, 71426), (18, 35713), (71, 9054), (142, 4527), (213, 3018), (426, 1509), (503, 1278), (639, 1006)]