205128972

素因数分解:

$2^2\times 3^2\times {\mathrm{139}}^1\times {\mathrm{40993}}^1$

素因数の和:41142

約数の個数: 36

約数和(自身を含む): 522263560

約数和(自身を除く): 317134588

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 139, 278, 417, 556, 834, 1251, 1668, 2502, 5004, 40993, 81986, 122979, 163972, 245958, 368937, 491916, 737874, 1475748, 5698027, 11396054, 17094081, 22792108, 34188162, 51282243, 68376324, 102564486, 205128972]

約数ペア:

[(1, 205128972), (2, 102564486), (3, 68376324), (4, 51282243), (6, 34188162), (9, 22792108), (12, 17094081), (18, 11396054), (36, 5698027), (139, 1475748), (278, 737874), (417, 491916), (556, 368937), (834, 245958), (1251, 163972), (1668, 122979), (2502, 81986), (5004, 40993)]