255976565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{2791}}^1$

素因数の和:2909

約数の個数: 32

約数和(自身を含む): 354606336

約数和(自身を除く): 98629771

約数列:

[1, 5, 13, 17, 65, 83, 85, 221, 415, 1079, 1105, 1411, 2791, 5395, 7055, 13955, 18343, 36283, 47447, 91715, 181415, 231653, 237235, 616811, 1158265, 3011489, 3084055, 3938101, 15057445, 19690505, 51195313, 255976565]

約数ペア:

[(1, 255976565), (5, 51195313), (13, 19690505), (17, 15057445), (65, 3938101), (83, 3084055), (85, 3011489), (221, 1158265), (415, 616811), (1079, 237235), (1105, 231653), (1411, 181415), (2791, 91715), (5395, 47447), (7055, 36283), (13955, 18343)]