28663405

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{887}}^1$

素因数の和:1196

約数の個数: 16

約数和(自身を含む): 36059904

約数和(自身を除く): 7396499

約数列:

[1, 5, 23, 115, 281, 887, 1405, 4435, 6463, 20401, 32315, 102005, 249247, 1246235, 5732681, 28663405]

約数ペア:

[(1, 28663405), (5, 5732681), (23, 1246235), (115, 249247), (281, 102005), (887, 32315), (1405, 20401), (4435, 6463)]