1278221542

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{12263}}^1$

素因数の和:12508

約数の個数: 32

約数和(自身を含む): 2183973120

約数和(自身を除く): 905751578

約数列:

[1, 2, 13, 19, 26, 38, 211, 247, 422, 494, 2743, 4009, 5486, 8018, 12263, 24526, 52117, 104234, 159419, 232997, 318838, 465994, 2587493, 3028961, 5174986, 6057922, 33637409, 49162367, 67274818, 98324734, 639110771, 1278221542]

約数ペア:

[(1, 1278221542), (2, 639110771), (13, 98324734), (19, 67274818), (26, 49162367), (38, 33637409), (211, 6057922), (247, 5174986), (422, 3028961), (494, 2587493), (2743, 465994), (4009, 318838), (5486, 232997), (8018, 159419), (12263, 104234), (24526, 52117)]