388503284

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{18539}}^1$

素因数の和:18600

約数の個数: 36

約数和(自身を含む): 759991680

約数和(自身を除く): 371488396

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 169, 338, 403, 676, 806, 1612, 5239, 10478, 18539, 20956, 37078, 74156, 241007, 482014, 574709, 964028, 1149418, 2298836, 3133091, 6266182, 7471217, 12532364, 14942434, 29884868, 97125821, 194251642, 388503284]

約数ペア:

[(1, 388503284), (2, 194251642), (4, 97125821), (13, 29884868), (26, 14942434), (31, 12532364), (52, 7471217), (62, 6266182), (124, 3133091), (169, 2298836), (338, 1149418), (403, 964028), (676, 574709), (806, 482014), (1612, 241007), (5239, 74156), (10478, 37078), (18539, 20956)]