165974215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2237}}^1$

素因数の和:2343

約数の個数: 32

約数和(自身を含む): 232035840

約数和(自身を除く): 66061625

約数列:

[1, 5, 11, 19, 55, 71, 95, 209, 355, 781, 1045, 1349, 2237, 3905, 6745, 11185, 14839, 24607, 42503, 74195, 123035, 158827, 212515, 467533, 794135, 1747097, 2337665, 3017713, 8735485, 15088565, 33194843, 165974215]

約数ペア:

[(1, 165974215), (5, 33194843), (11, 15088565), (19, 8735485), (55, 3017713), (71, 2337665), (95, 1747097), (209, 794135), (355, 467533), (781, 212515), (1045, 158827), (1349, 123035), (2237, 74195), (3905, 42503), (6745, 24607), (11185, 14839)]