199485718

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{4861}}^1$

素因数の和:4968

約数の個数: 24

約数和(自身を含む): 322408944

約数和(自身を除く): 122923226

約数列:

[1, 2, 17, 34, 71, 142, 289, 578, 1207, 2414, 4861, 9722, 20519, 41038, 82637, 165274, 345131, 690262, 1404829, 2809658, 5867227, 11734454, 99742859, 199485718]

約数ペア:

[(1, 199485718), (2, 99742859), (17, 11734454), (34, 5867227), (71, 2809658), (142, 1404829), (289, 690262), (578, 345131), (1207, 165274), (2414, 82637), (4861, 41038), (9722, 20519)]