11890945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{1451}}^1$

素因数の和:1616

約数の個数: 16

約数和(自身を含む): 15681600

約数和(自身を除く): 3790655

約数列:

[1, 5, 11, 55, 149, 745, 1451, 1639, 7255, 8195, 15961, 79805, 216199, 1080995, 2378189, 11890945]

約数ペア:

[(1, 11890945), (5, 2378189), (11, 1080995), (55, 216199), (149, 79805), (745, 15961), (1451, 8195), (1639, 7255)]