17247815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 23708160

約数和(自身を除く): 6460345

約数列:

[1, 5, 13, 23, 65, 83, 115, 139, 299, 415, 695, 1079, 1495, 1807, 1909, 3197, 5395, 9035, 9545, 11537, 15985, 24817, 41561, 57685, 124085, 149981, 207805, 265351, 749905, 1326755, 3449563, 17247815]

約数ペア:

[(1, 17247815), (5, 3449563), (13, 1326755), (23, 749905), (65, 265351), (83, 207805), (115, 149981), (139, 124085), (299, 57685), (415, 41561), (695, 24817), (1079, 15985), (1495, 11537), (1807, 9545), (1909, 9035), (3197, 5395)]