218915856

素因数分解:

$2^4\times 3^2\times {\mathrm{197}}^1\times {\mathrm{7717}}^1$

素因数の和:7928

約数の個数: 60

約数和(自身を含む): 615850092

約数和(自身を除く): 396934236

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 197, 394, 591, 788, 1182, 1576, 1773, 2364, 3152, 3546, 4728, 7092, 7717, 9456, 14184, 15434, 23151, 28368, 30868, 46302, 61736, 69453, 92604, 123472, 138906, 185208, 277812, 370416, 555624, 1111248, 1520249, 3040498, 4560747, 6080996, 9121494, 12161992, 13682241, 18242988, 24323984, 27364482, 36485976, 54728964, 72971952, 109457928, 218915856]

約数ペア:

[(1, 218915856), (2, 109457928), (3, 72971952), (4, 54728964), (6, 36485976), (8, 27364482), (9, 24323984), (12, 18242988), (16, 13682241), (18, 12161992), (24, 9121494), (36, 6080996), (48, 4560747), (72, 3040498), (144, 1520249), (197, 1111248), (394, 555624), (591, 370416), (788, 277812), (1182, 185208), (1576, 138906), (1773, 123472), (2364, 92604), (3152, 69453), (3546, 61736), (4728, 46302), (7092, 30868), (7717, 28368), (9456, 23151), (14184, 15434)]