28349783

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{353}}^1$

素因数の和:527

約数の個数: 24

約数和(自身を含む): 36320400

約数和(自身を除く): 7970617

約数列:

[1, 7, 11, 49, 77, 149, 353, 539, 1043, 1639, 2471, 3883, 7301, 11473, 17297, 27181, 52597, 80311, 190267, 368179, 578567, 2577253, 4049969, 28349783]

約数ペア:

[(1, 28349783), (7, 4049969), (11, 2577253), (49, 578567), (77, 368179), (149, 190267), (353, 80311), (539, 52597), (1043, 27181), (1639, 17297), (2471, 11473), (3883, 7301)]