13171249

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:110

約数の個数: 48

約数和(自身を含む): 18385920

約数和(自身を除く): 5214671

約数列:

[1, 7, 13, 23, 29, 31, 49, 91, 161, 203, 217, 299, 377, 403, 637, 667, 713, 899, 1127, 1421, 1519, 2093, 2639, 2821, 4669, 4991, 6293, 8671, 9269, 11687, 14651, 18473, 19747, 20677, 32683, 34937, 44051, 60697, 64883, 81809, 144739, 268801, 424879, 454181, 572663, 1013173, 1881607, 13171249]

約数ペア:

[(1, 13171249), (7, 1881607), (13, 1013173), (23, 572663), (29, 454181), (31, 424879), (49, 268801), (91, 144739), (161, 81809), (203, 64883), (217, 60697), (299, 44051), (377, 34937), (403, 32683), (637, 20677), (667, 19747), (713, 18473), (899, 14651), (1127, 11687), (1421, 9269), (1519, 8671), (2093, 6293), (2639, 4991), (2821, 4669)]