28514330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{521}}^1$

素因数の和:962

約数の個数: 32

約数和(自身を含む): 55511568

約数和(自身を除く): 26997238

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 421, 521, 842, 1042, 2105, 2605, 4210, 5210, 5473, 6773, 10946, 13546, 27365, 33865, 54730, 67730, 219341, 438682, 1096705, 2193410, 2851433, 5702866, 14257165, 28514330]

約数ペア:

[(1, 28514330), (2, 14257165), (5, 5702866), (10, 2851433), (13, 2193410), (26, 1096705), (65, 438682), (130, 219341), (421, 67730), (521, 54730), (842, 33865), (1042, 27365), (2105, 13546), (2605, 10946), (4210, 6773), (5210, 5473)]