13121264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{317}}^1$

素因数の和:537

約数の個数: 40

約数和(自身を含む): 27602400

約数和(自身を除く): 14481136

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 199, 208, 317, 398, 634, 796, 1268, 1592, 2536, 2587, 3184, 4121, 5072, 5174, 8242, 10348, 16484, 20696, 32968, 41392, 63083, 65936, 126166, 252332, 504664, 820079, 1009328, 1640158, 3280316, 6560632, 13121264]

約数ペア:

[(1, 13121264), (2, 6560632), (4, 3280316), (8, 1640158), (13, 1009328), (16, 820079), (26, 504664), (52, 252332), (104, 126166), (199, 65936), (208, 63083), (317, 41392), (398, 32968), (634, 20696), (796, 16484), (1268, 10348), (1592, 8242), (2536, 5174), (2587, 5072), (3184, 4121)]