157308905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{4909}}^1$

素因数の和:4973

約数の個数: 32

約数和(自身を含む): 222717600

約数和(自身を除く): 65408695

約数列:

[1, 5, 13, 17, 29, 65, 85, 145, 221, 377, 493, 1105, 1885, 2465, 4909, 6409, 24545, 32045, 63817, 83453, 142361, 319085, 417265, 711805, 1084889, 1850693, 2420137, 5424445, 9253465, 12100685, 31461781, 157308905]

約数ペア:

[(1, 157308905), (5, 31461781), (13, 12100685), (17, 9253465), (29, 5424445), (65, 2420137), (85, 1850693), (145, 1084889), (221, 711805), (377, 417265), (493, 319085), (1105, 142361), (1885, 83453), (2465, 63817), (4909, 32045), (6409, 24545)]