171408215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 241950240

約数和(自身を除く): 70542025

約数列:

[1, 5, 11, 19, 55, 89, 95, 97, 209, 361, 445, 485, 979, 1045, 1067, 1691, 1805, 1843, 3971, 4895, 5335, 8455, 8633, 9215, 18601, 19855, 20273, 32129, 35017, 43165, 93005, 94963, 101365, 160645, 164027, 175085, 353419, 385187, 474815, 820135, 1767095, 1804297, 1925935, 3116513, 9021485, 15582565, 34281643, 171408215]

約数ペア:

[(1, 171408215), (5, 34281643), (11, 15582565), (19, 9021485), (55, 3116513), (89, 1925935), (95, 1804297), (97, 1767095), (209, 820135), (361, 474815), (445, 385187), (485, 353419), (979, 175085), (1045, 164027), (1067, 160645), (1691, 101365), (1805, 94963), (1843, 93005), (3971, 43165), (4895, 35017), (5335, 32129), (8455, 20273), (8633, 19855), (9215, 18601)]