12748385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 17781120

約数和(自身を除く): 5032735

約数列:

[1, 5, 13, 17, 65, 83, 85, 139, 221, 415, 695, 1079, 1105, 1411, 1807, 2363, 5395, 7055, 9035, 11537, 11815, 18343, 30719, 57685, 91715, 149981, 153595, 196129, 749905, 980645, 2549677, 12748385]

約数ペア:

[(1, 12748385), (5, 2549677), (13, 980645), (17, 749905), (65, 196129), (83, 153595), (85, 149981), (139, 91715), (221, 57685), (415, 30719), (695, 18343), (1079, 11815), (1105, 11537), (1411, 9035), (1807, 7055), (2363, 5395)]