221711518

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{22721}}^1$

素因数の和:22788

約数の個数: 32

約数和(自身を含む): 412267968

約数和(自身を除く): 190556450

約数列:

[1, 2, 7, 14, 17, 34, 41, 82, 119, 238, 287, 574, 697, 1394, 4879, 9758, 22721, 45442, 159047, 318094, 386257, 772514, 931561, 1863122, 2703799, 5407598, 6520927, 13041854, 15836537, 31673074, 110855759, 221711518]

約数ペア:

[(1, 221711518), (2, 110855759), (7, 31673074), (14, 15836537), (17, 13041854), (34, 6520927), (41, 5407598), (82, 2703799), (119, 1863122), (238, 931561), (287, 772514), (574, 386257), (697, 318094), (1394, 159047), (4879, 45442), (9758, 22721)]