31306795

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:571

約数の個数: 32

約数和(自身を含む): 43287552

約数和(自身を除く): 11980757

約数列:

[1, 5, 13, 23, 43, 65, 115, 215, 299, 487, 559, 989, 1495, 2435, 2795, 4945, 6331, 11201, 12857, 20941, 31655, 56005, 64285, 104705, 145613, 272233, 481643, 728065, 1361165, 2408215, 6261359, 31306795]

約数ペア:

[(1, 31306795), (5, 6261359), (13, 2408215), (23, 1361165), (43, 728065), (65, 481643), (115, 272233), (215, 145613), (299, 104705), (487, 64285), (559, 56005), (989, 31655), (1495, 20941), (2435, 12857), (2795, 11201), (4945, 6331)]