64438245

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{643}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 119351232

約数和(自身を除く): 54912987

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 131, 153, 255, 393, 643, 655, 765, 1179, 1929, 1965, 2227, 3215, 5787, 5895, 6681, 9645, 10931, 11135, 20043, 28935, 32793, 33405, 54655, 84233, 98379, 100215, 163965, 252699, 421165, 491895, 758097, 1263495, 1431961, 3790485, 4295883, 7159805, 12887649, 21479415, 64438245]

約数ペア:

[(1, 64438245), (3, 21479415), (5, 12887649), (9, 7159805), (15, 4295883), (17, 3790485), (45, 1431961), (51, 1263495), (85, 758097), (131, 491895), (153, 421165), (255, 252699), (393, 163965), (643, 100215), (655, 98379), (765, 84233), (1179, 54655), (1929, 33405), (1965, 32793), (2227, 28935), (3215, 20043), (5787, 11135), (5895, 10931), (6681, 9645)]