31616195

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{131}}^1$

素因数の和:275

約数の個数: 32

約数和(自身を含む): 42577920

約数和(自身を除く): 10961725

約数列:

[1, 5, 13, 47, 65, 79, 131, 235, 395, 611, 655, 1027, 1703, 3055, 3713, 5135, 6157, 8515, 10349, 18565, 30785, 48269, 51745, 80041, 134537, 241345, 400205, 486403, 672685, 2432015, 6323239, 31616195]

約数ペア:

[(1, 31616195), (5, 6323239), (13, 2432015), (47, 672685), (65, 486403), (79, 400205), (131, 241345), (235, 134537), (395, 80041), (611, 51745), (655, 48269), (1027, 30785), (1703, 18565), (3055, 10349), (3713, 8515), (5135, 6157)]