28283495

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{211}}^1$

素因数の和:335

約数の個数: 32

約数和(自身を含む): 38465280

約数和(自身を除く): 10181785

約数列:

[1, 5, 17, 19, 83, 85, 95, 211, 323, 415, 1055, 1411, 1577, 1615, 3587, 4009, 7055, 7885, 17513, 17935, 20045, 26809, 68153, 87565, 134045, 297721, 332747, 340765, 1488605, 1663735, 5656699, 28283495]

約数ペア:

[(1, 28283495), (5, 5656699), (17, 1663735), (19, 1488605), (83, 340765), (85, 332747), (95, 297721), (211, 134045), (323, 87565), (415, 68153), (1055, 26809), (1411, 20045), (1577, 17935), (1615, 17513), (3587, 7885), (4009, 7055)]