28490891

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6427}}^1$

素因数の和:6482

約数の個数: 16

約数和(自身を含む): 34556928

約数和(自身を除く): 6066037

約数列:

[1, 11, 13, 31, 143, 341, 403, 4433, 6427, 70697, 83551, 199237, 919061, 2191607, 2590081, 28490891]

約数ペア:

[(1, 28490891), (11, 2590081), (13, 2191607), (31, 919061), (143, 199237), (341, 83551), (403, 70697), (4433, 6427)]