28669810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{220537}}^1$

素因数の和:220557

約数の個数: 16

約数和(自身を含む): 55575576

約数和(自身を除く): 26905766

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 220537, 441074, 1102685, 2205370, 2866981, 5733962, 14334905, 28669810]

約数ペア:

[(1, 28669810), (2, 14334905), (5, 5733962), (10, 2866981), (13, 2205370), (26, 1102685), (65, 441074), (130, 220537)]