28643395

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{22643}}^1$

素因数の和:22682

約数の個数: 16

約数和(自身を含む): 39128832

約数和(自身を除く): 10485437

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 22643, 113215, 249073, 520789, 1245365, 2603945, 5728679, 28643395]

約数ペア:

[(1, 28643395), (5, 5728679), (11, 2603945), (23, 1245365), (55, 520789), (115, 249073), (253, 113215), (1265, 22643)]