28799810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{221537}}^1$

素因数の和:221557

約数の個数: 16

約数和(自身を含む): 55827576

約数和(自身を除く): 27027766

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 221537, 443074, 1107685, 2215370, 2879981, 5759962, 14399905, 28799810]

約数ペア:

[(1, 28799810), (2, 14399905), (5, 5759962), (10, 2879981), (13, 2215370), (26, 1107685), (65, 443074), (130, 221537)]