3937802

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2521}}^1$

素因数の和:2605

約数の個数: 16

約数和(自身を含む): 6537024

約数和(自身を除く): 2599222

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 2521, 5042, 27731, 55462, 178991, 357982, 1968901, 3937802]

約数ペア:

[(1, 3937802), (2, 1968901), (11, 357982), (22, 178991), (71, 55462), (142, 27731), (781, 5042), (1562, 2521)]