218492755

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{8597}}^1$

素因数の和:8655

約数の個数: 32

約数和(自身を含む): 312004224

約数和(自身を除く): 93511469

約数列:

[1, 5, 13, 17, 23, 65, 85, 115, 221, 299, 391, 1105, 1495, 1955, 5083, 8597, 25415, 42985, 111761, 146149, 197731, 558805, 730745, 988655, 1899937, 2570503, 3361427, 9499685, 12852515, 16807135, 43698551, 218492755]

約数ペア:

[(1, 218492755), (5, 43698551), (13, 16807135), (17, 12852515), (23, 9499685), (65, 3361427), (85, 2570503), (115, 1899937), (221, 988655), (299, 730745), (391, 558805), (1105, 197731), (1495, 146149), (1955, 111761), (5083, 42985), (8597, 25415)]