64370405

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{991}}^1\times {\mathrm{1181}}^1$

素因数の和:2188

約数の個数: 16

約数和(自身を含む): 84423168

約数和(自身を除く): 20052763

約数列:

[1, 5, 11, 55, 991, 1181, 4955, 5905, 10901, 12991, 54505, 64955, 1170371, 5851855, 12874081, 64370405]

約数ペア:

[(1, 64370405), (5, 12874081), (11, 5851855), (55, 1170371), (991, 64955), (1181, 54505), (4955, 12991), (5905, 10901)]