245913265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{569}}^1$

素因数の和:757

約数の個数: 32

約数和(自身を含む): 326541600

約数和(自身を除く): 80628335

約数列:

[1, 5, 13, 61, 65, 109, 305, 545, 569, 793, 1417, 2845, 3965, 6649, 7085, 7397, 33245, 34709, 36985, 62021, 86437, 173545, 310105, 432185, 451217, 806273, 2256085, 3783281, 4031365, 18916405, 49182653, 245913265]

約数ペア:

[(1, 245913265), (5, 49182653), (13, 18916405), (61, 4031365), (65, 3783281), (109, 2256085), (305, 806273), (545, 451217), (569, 432185), (793, 310105), (1417, 173545), (2845, 86437), (3965, 62021), (6649, 36985), (7085, 34709), (7397, 33245)]