12171908

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{3847}}^1$

素因数の和:3971

約数の個数: 24

約数和(自身を含む): 24565632

約数和(自身を除く): 12393724

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 3847, 7694, 15388, 26929, 53858, 107716, 434711, 869422, 1738844, 3042977, 6085954, 12171908]

約数ペア:

[(1, 12171908), (2, 6085954), (4, 3042977), (7, 1738844), (14, 869422), (28, 434711), (113, 107716), (226, 53858), (452, 26929), (791, 15388), (1582, 7694), (3164, 3847)]