28820917

素因数分解:

${\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:360

約数の個数: 16

約数和(自身を含む): 30818304

約数和(自身を除く): 1997387

約数列:

[1, 31, 47, 131, 151, 1457, 4061, 4681, 6157, 7097, 19781, 190867, 220007, 613211, 929707, 28820917]

約数ペア:

[(1, 28820917), (31, 929707), (47, 613211), (131, 220007), (151, 190867), (1457, 19781), (4061, 7097), (4681, 6157)]