26991965

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{5393}}^1$

素因数の和:5429

約数の個数: 32

約数和(自身を含む): 43497216

約数和(自身を除く): 16505251

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 5005, 5393, 26965, 37751, 59323, 70109, 188755, 296615, 350545, 415261, 490763, 771199, 2076305, 2453815, 3855995, 5398393, 26991965]

約数ペア:

[(1, 26991965), (5, 5398393), (7, 3855995), (11, 2453815), (13, 2076305), (35, 771199), (55, 490763), (65, 415261), (77, 350545), (91, 296615), (143, 188755), (385, 70109), (455, 59323), (715, 37751), (1001, 26965), (5005, 5393)]