77816915

素因数分解:

$5^1\times {\mathrm{11}}^4\times {\mathrm{1063}}^1$

素因数の和:1112

約数の個数: 20

約数和(自身を含む): 102814320

約数和(自身を除く): 24997405

約数列:

[1, 5, 11, 55, 121, 605, 1063, 1331, 5315, 6655, 11693, 14641, 58465, 73205, 128623, 643115, 1414853, 7074265, 15563383, 77816915]

約数ペア:

[(1, 77816915), (5, 15563383), (11, 7074265), (55, 1414853), (121, 643115), (605, 128623), (1063, 73205), (1331, 58465), (5315, 14641), (6655, 11693)]