31519798

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1$

素因数の和:372

約数の個数: 32

約数和(自身を含む): 51425280

約数和(自身を除く): 19905482

約数列:

[1, 2, 23, 46, 47, 61, 94, 122, 239, 478, 1081, 1403, 2162, 2806, 2867, 5497, 5734, 10994, 11233, 14579, 22466, 29158, 65941, 131882, 258359, 335317, 516718, 670634, 685213, 1370426, 15759899, 31519798]

約数ペア:

[(1, 31519798), (2, 15759899), (23, 1370426), (46, 685213), (47, 670634), (61, 516718), (94, 335317), (122, 258359), (239, 131882), (478, 65941), (1081, 29158), (1403, 22466), (2162, 14579), (2806, 11233), (2867, 10994), (5497, 5734)]