66561392

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{244711}}^1$

素因数の和:244736

約数の個数: 20

約数和(自身を含む): 136549296

約数和(自身を除く): 69987904

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 244711, 489422, 978844, 1957688, 3915376, 4160087, 8320174, 16640348, 33280696, 66561392]

約数ペア:

[(1, 66561392), (2, 33280696), (4, 16640348), (8, 8320174), (16, 4160087), (17, 3915376), (34, 1957688), (68, 978844), (136, 489422), (272, 244711)]