12939472

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8887}}^1$

素因数の和:8915

約数の個数: 40

約数和(自身を含む): 30859136

約数和(自身を除く): 17919664

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 8887, 17774, 35548, 62209, 71096, 115531, 124418, 142192, 231062, 248836, 462124, 497672, 808717, 924248, 995344, 1617434, 1848496, 3234868, 6469736, 12939472]

約数ペア:

[(1, 12939472), (2, 6469736), (4, 3234868), (7, 1848496), (8, 1617434), (13, 995344), (14, 924248), (16, 808717), (26, 497672), (28, 462124), (52, 248836), (56, 231062), (91, 142192), (104, 124418), (112, 115531), (182, 71096), (208, 62209), (364, 35548), (728, 17774), (1456, 8887)]