28771408

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{26839}}^1$

素因数の和:26914

約数の個数: 20

約数和(自身を含む): 56578720

約数和(自身を除く): 27807312

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 26839, 53678, 107356, 214712, 429424, 1798213, 3596426, 7192852, 14385704, 28771408]

約数ペア:

[(1, 28771408), (2, 14385704), (4, 7192852), (8, 3596426), (16, 1798213), (67, 429424), (134, 214712), (268, 107356), (536, 53678), (1072, 26839)]