28337584

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{161009}}^1$

素因数の和:161028

約数の個数: 20

約数和(自身を含む): 59895720

約数和(自身を除く): 31558136

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 161009, 322018, 644036, 1288072, 1771099, 2576144, 3542198, 7084396, 14168792, 28337584]

約数ペア:

[(1, 28337584), (2, 14168792), (4, 7084396), (8, 3542198), (11, 2576144), (16, 1771099), (22, 1288072), (44, 644036), (88, 322018), (176, 161009)]