12721904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1973}}^1$

素因数の和:2025

約数の個数: 40

約数和(自身を含む): 27414912

約数和(自身を除く): 14693008

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 1973, 3224, 3946, 6448, 7892, 15784, 25649, 31568, 51298, 61163, 102596, 122326, 205192, 244652, 410384, 489304, 795119, 978608, 1590238, 3180476, 6360952, 12721904]

約数ペア:

[(1, 12721904), (2, 6360952), (4, 3180476), (8, 1590238), (13, 978608), (16, 795119), (26, 489304), (31, 410384), (52, 244652), (62, 205192), (104, 122326), (124, 102596), (208, 61163), (248, 51298), (403, 31568), (496, 25649), (806, 15784), (1612, 7892), (1973, 6448), (3224, 3946)]