138905662

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1\times {\mathrm{523}}^1$

素因数の和:904

約数の個数: 32

約数和(自身を含む): 243270144

約数和(自身を除く): 104364482

約数列:

[1, 2, 7, 14, 61, 122, 311, 427, 523, 622, 854, 1046, 2177, 3661, 4354, 7322, 18971, 31903, 37942, 63806, 132797, 162653, 223321, 265594, 325306, 446642, 1138571, 2277142, 9921833, 19843666, 69452831, 138905662]

約数ペア:

[(1, 138905662), (2, 69452831), (7, 19843666), (14, 9921833), (61, 2277142), (122, 1138571), (311, 446642), (427, 325306), (523, 265594), (622, 223321), (854, 162653), (1046, 132797), (2177, 63806), (3661, 37942), (4354, 31903), (7322, 18971)]