28158128

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{22277}}^1$

素因数の和:22364

約数の個数: 20

約数和(自身を含む): 55249440

約数和(自身を除く): 27091312

約数列:

[1, 2, 4, 8, 16, 79, 158, 316, 632, 1264, 22277, 44554, 89108, 178216, 356432, 1759883, 3519766, 7039532, 14079064, 28158128]

約数ペア:

[(1, 28158128), (2, 14079064), (4, 7039532), (8, 3519766), (16, 1759883), (79, 356432), (158, 178216), (316, 89108), (632, 44554), (1264, 22277)]