201261385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{7919}}^1$

素因数の和:7977

約数の個数: 32

約数和(自身を含む): 287400960

約数和(自身を除く): 86139575

約数列:

[1, 5, 13, 17, 23, 65, 85, 115, 221, 299, 391, 1105, 1495, 1955, 5083, 7919, 25415, 39595, 102947, 134623, 182137, 514735, 673115, 910685, 1750099, 2367781, 3096329, 8750495, 11838905, 15481645, 40252277, 201261385]

約数ペア:

[(1, 201261385), (5, 40252277), (13, 15481645), (17, 11838905), (23, 8750495), (65, 3096329), (85, 2367781), (115, 1750099), (221, 910685), (299, 673115), (391, 514735), (1105, 182137), (1495, 134623), (1955, 102947), (5083, 39595), (7919, 25415)]