27881558

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{4789}}^1$

素因数の和:4903

約数の個数: 16

約数和(自身を含む): 43454880

約数和(自身を除く): 15573322

約数列:

[1, 2, 41, 71, 82, 142, 2911, 4789, 5822, 9578, 196349, 340019, 392698, 680038, 13940779, 27881558]

約数ペア:

[(1, 27881558), (2, 13940779), (41, 680038), (71, 392698), (82, 340019), (142, 196349), (2911, 9578), (4789, 5822)]