28389714

素因数分解:

$2^1\times 3^1\times {\mathrm{421}}^1\times {\mathrm{11239}}^1$

素因数の和:11665

約数の個数: 16

約数和(自身を含む): 56919360

約数和(自身を除く): 28529646

約数列:

[1, 2, 3, 6, 421, 842, 1263, 2526, 11239, 22478, 33717, 67434, 4731619, 9463238, 14194857, 28389714]

約数ペア:

[(1, 28389714), (2, 14194857), (3, 9463238), (6, 4731619), (421, 67434), (842, 33717), (1263, 22478), (2526, 11239)]