31276986

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1427}}^1$

素因数の和:1726

約数の個数: 32

約数和(自身を含む): 67652928

約数和(自身を除く): 36375942

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 281, 562, 843, 1427, 1686, 2854, 3653, 4281, 7306, 8562, 10959, 18551, 21918, 37102, 55653, 111306, 400987, 801974, 1202961, 2405922, 5212831, 10425662, 15638493, 31276986]

約数ペア:

[(1, 31276986), (2, 15638493), (3, 10425662), (6, 5212831), (13, 2405922), (26, 1202961), (39, 801974), (78, 400987), (281, 111306), (562, 55653), (843, 37102), (1427, 21918), (1686, 18551), (2854, 10959), (3653, 8562), (4281, 7306)]