51122995

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{107}}^1$

素因数の和:220

約数の個数: 64

約数和(自身を含む): 82861056

約数和(自身を除く): 31738061

約数列:

[1, 5, 7, 11, 17, 35, 55, 73, 77, 85, 107, 119, 187, 365, 385, 511, 535, 595, 749, 803, 935, 1177, 1241, 1309, 1819, 2555, 3745, 4015, 5621, 5885, 6205, 6545, 7811, 8239, 8687, 9095, 12733, 13651, 20009, 28105, 39055, 41195, 43435, 54677, 63665, 68255, 85921, 95557, 100045, 132787, 140063, 273385, 429605, 477785, 601447, 663935, 700315, 929509, 1460657, 3007235, 4647545, 7303285, 10224599, 51122995]

約数ペア:

[(1, 51122995), (5, 10224599), (7, 7303285), (11, 4647545), (17, 3007235), (35, 1460657), (55, 929509), (73, 700315), (77, 663935), (85, 601447), (107, 477785), (119, 429605), (187, 273385), (365, 140063), (385, 132787), (511, 100045), (535, 95557), (595, 85921), (749, 68255), (803, 63665), (935, 54677), (1177, 43435), (1241, 41195), (1309, 39055), (1819, 28105), (2555, 20009), (3745, 13651), (4015, 12733), (5621, 9095), (5885, 8687), (6205, 8239), (6545, 7811)]