31357234

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:342

約数の個数: 32

約数和(自身を含む): 51093504

約数和(自身を除く): 19736270

約数列:

[1, 2, 23, 43, 46, 83, 86, 166, 191, 382, 989, 1909, 1978, 3569, 3818, 4393, 7138, 8213, 8786, 15853, 16426, 31706, 82087, 164174, 188899, 364619, 377798, 681679, 729238, 1363358, 15678617, 31357234]

約数ペア:

[(1, 31357234), (2, 15678617), (23, 1363358), (43, 729238), (46, 681679), (83, 377798), (86, 364619), (166, 188899), (191, 164174), (382, 82087), (989, 31706), (1909, 16426), (1978, 15853), (3569, 8786), (3818, 8213), (4393, 7138)]