12856644

素因数分解:

$2^2\times 3^6\times {\mathrm{4409}}^1$

素因数の和:4431

約数の個数: 42

約数和(自身を含む): 33740910

約数和(自身を除く): 20884266

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 4409, 8818, 13227, 17636, 26454, 39681, 52908, 79362, 119043, 158724, 238086, 357129, 476172, 714258, 1071387, 1428516, 2142774, 3214161, 4285548, 6428322, 12856644]

約数ペア:

[(1, 12856644), (2, 6428322), (3, 4285548), (4, 3214161), (6, 2142774), (9, 1428516), (12, 1071387), (18, 714258), (27, 476172), (36, 357129), (54, 238086), (81, 158724), (108, 119043), (162, 79362), (243, 52908), (324, 39681), (486, 26454), (729, 17636), (972, 13227), (1458, 8818), (2916, 4409)]