28979786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{18553}}^1$

素因数の和:18637

約数の個数: 16

約数和(自身を含む): 48091968

約数和(自身を除く): 19112182

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 18553, 37106, 204083, 408166, 1317263, 2634526, 14489893, 28979786]

約数ペア:

[(1, 28979786), (2, 14489893), (11, 2634526), (22, 1317263), (71, 408166), (142, 204083), (781, 37106), (1562, 18553)]