26697905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{653}}^1$

素因数の和:725

約数の個数: 32

約数和(自身を含む): 37576224

約数和(自身を除く): 10878319

約数列:

[1, 5, 13, 17, 37, 65, 85, 185, 221, 481, 629, 653, 1105, 2405, 3145, 3265, 8177, 8489, 11101, 24161, 40885, 42445, 55505, 120805, 144313, 314093, 410737, 721565, 1570465, 2053685, 5339581, 26697905]

約数ペア:

[(1, 26697905), (5, 5339581), (13, 2053685), (17, 1570465), (37, 721565), (65, 410737), (85, 314093), (185, 144313), (221, 120805), (481, 55505), (629, 42445), (653, 40885), (1105, 24161), (2405, 11101), (3145, 8489), (3265, 8177)]