28771678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{643}}^1\times {\mathrm{1721}}^1$

素因数の和:2379

約数の個数: 16

約数和(自身を含む): 46576656

約数和(自身を除く): 17804978

約数列:

[1, 2, 13, 26, 643, 1286, 1721, 3442, 8359, 16718, 22373, 44746, 1106603, 2213206, 14385839, 28771678]

約数ペア:

[(1, 28771678), (2, 14385839), (13, 2213206), (26, 1106603), (643, 44746), (1286, 22373), (1721, 16718), (3442, 8359)]