12991108

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8059}}^1$

素因数の和:8107

約数の個数: 24

約数和(自身を含む): 25276160

約数和(自身を除く): 12285052

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 8059, 16118, 32236, 104767, 209534, 249829, 419068, 499658, 999316, 3247777, 6495554, 12991108]

約数ペア:

[(1, 12991108), (2, 6495554), (4, 3247777), (13, 999316), (26, 499658), (31, 419068), (52, 249829), (62, 209534), (124, 104767), (403, 32236), (806, 16118), (1612, 8059)]