31303805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{20939}}^1$

素因数の和:20980

約数の個数: 16

約数和(自身を含む): 42215040

約数和(自身を除く): 10911235

約数列:

[1, 5, 13, 23, 65, 115, 299, 1495, 20939, 104695, 272207, 481597, 1361035, 2407985, 6260761, 31303805]

約数ペア:

[(1, 31303805), (5, 6260761), (13, 2407985), (23, 1361035), (65, 481597), (115, 272207), (299, 104695), (1495, 20939)]