28665637

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4091}}^1$

素因数の和:4129

約数の個数: 24

約数和(自身を含む): 39184992

約数和(自身を除く): 10519355

約数列:

[1, 7, 11, 13, 49, 77, 91, 143, 539, 637, 1001, 4091, 7007, 28637, 45001, 53183, 200459, 315007, 372281, 585013, 2205049, 2605967, 4095091, 28665637]

約数ペア:

[(1, 28665637), (7, 4095091), (11, 2605967), (13, 2205049), (49, 585013), (77, 372281), (91, 315007), (143, 200459), (539, 53183), (637, 45001), (1001, 28637), (4091, 7007)]