28717509730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31557703}}^1$

素因数の和:31557730

約数の個数: 32

約数和(自身を含む): 63620331264

約数和(自身を除く): 34902821534

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 31557703, 63115406, 157788515, 220903921, 315577030, 410250139, 441807842, 820500278, 1104519605, 2051250695, 2209039210, 2871750973, 4102501390, 5743501946, 14358754865, 28717509730]

約数ペア:

[(1, 28717509730), (2, 14358754865), (5, 5743501946), (7, 4102501390), (10, 2871750973), (13, 2209039210), (14, 2051250695), (26, 1104519605), (35, 820500278), (65, 441807842), (70, 410250139), (91, 315577030), (130, 220903921), (182, 157788515), (455, 63115406), (910, 31557703)]