205654614

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:485

約数の個数: 64

約数和(自身を含む): 458680320

約数和(自身を除く): 253025706

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 89, 157, 178, 223, 267, 314, 446, 471, 534, 669, 942, 979, 1338, 1727, 1958, 2453, 2937, 3454, 4906, 5181, 5874, 7359, 10362, 13973, 14718, 19847, 27946, 35011, 39694, 41919, 59541, 70022, 83838, 105033, 119082, 153703, 210066, 218317, 307406, 385121, 436634, 461109, 654951, 770242, 922218, 1155363, 1309902, 2310726, 3115979, 6231958, 9347937, 18695874, 34275769, 68551538, 102827307, 205654614]

約数ペア:

[(1, 205654614), (2, 102827307), (3, 68551538), (6, 34275769), (11, 18695874), (22, 9347937), (33, 6231958), (66, 3115979), (89, 2310726), (157, 1309902), (178, 1155363), (223, 922218), (267, 770242), (314, 654951), (446, 461109), (471, 436634), (534, 385121), (669, 307406), (942, 218317), (979, 210066), (1338, 153703), (1727, 119082), (1958, 105033), (2453, 83838), (2937, 70022), (3454, 59541), (4906, 41919), (5181, 39694), (5874, 35011), (7359, 27946), (10362, 19847), (13973, 14718)]