2016904565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{21991}}^1$

素因数の和:22109

約数の個数: 32

約数和(自身を含む): 2793159936

約数和(自身を除く): 776255371

約数列:

[1, 5, 13, 17, 65, 83, 85, 221, 415, 1079, 1105, 1411, 5395, 7055, 18343, 21991, 91715, 109955, 285883, 373847, 1429415, 1825253, 1869235, 4860011, 9126265, 23728289, 24300055, 31029301, 118641445, 155146505, 403380913, 2016904565]

約数ペア:

[(1, 2016904565), (5, 403380913), (13, 155146505), (17, 118641445), (65, 31029301), (83, 24300055), (85, 23728289), (221, 9126265), (415, 4860011), (1079, 1869235), (1105, 1825253), (1411, 1429415), (5395, 373847), (7055, 285883), (18343, 109955), (21991, 91715)]