28790279

素因数分解:

$7^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:602

約数の個数: 16

約数和(自身を含む): 33633600

約数和(自身を除く): 4843321

約数列:

[1, 7, 97, 109, 389, 679, 763, 2723, 10573, 37733, 42401, 74011, 264131, 296807, 4112897, 28790279]

約数ペア:

[(1, 28790279), (7, 4112897), (97, 296807), (109, 264131), (389, 74011), (679, 42401), (763, 37733), (2723, 10573)]