28565810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31391}}^1$

素因数の和:31418

約数の個数: 32

約数和(自身を含む): 63286272

約数和(自身を除く): 34720462

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 31391, 62782, 156955, 219737, 313910, 408083, 439474, 816166, 1098685, 2040415, 2197370, 2856581, 4080830, 5713162, 14282905, 28565810]

約数ペア:

[(1, 28565810), (2, 14282905), (5, 5713162), (7, 4080830), (10, 2856581), (13, 2197370), (14, 2040415), (26, 1098685), (35, 816166), (65, 439474), (70, 408083), (91, 313910), (130, 219737), (182, 156955), (455, 62782), (910, 31391)]