26943215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{659}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 37920960

約数和(自身を除く): 10977745

約数列:

[1, 5, 13, 17, 37, 65, 85, 185, 221, 481, 629, 659, 1105, 2405, 3145, 3295, 8177, 8567, 11203, 24383, 40885, 42835, 56015, 121915, 145639, 316979, 414511, 728195, 1584895, 2072555, 5388643, 26943215]

約数ペア:

[(1, 26943215), (5, 5388643), (13, 2072555), (17, 1584895), (37, 728195), (65, 414511), (85, 316979), (185, 145639), (221, 121915), (481, 56015), (629, 42835), (659, 40885), (1105, 24383), (2405, 11203), (3145, 8567), (3295, 8177)]