133831276

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{115771}}^1$

素因数の和:115809

約数の個数: 18

約数和(自身を含む): 248794028

約数和(自身を除く): 114962752

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 115771, 231542, 463084, 1968107, 3936214, 7872428, 33457819, 66915638, 133831276]

約数ペア:

[(1, 133831276), (2, 66915638), (4, 33457819), (17, 7872428), (34, 3936214), (68, 1968107), (289, 463084), (578, 231542), (1156, 115771)]