12978604

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{1237}}^1$

素因数の和:1345

約数の個数: 24

約数和(自身を含む): 23640848

約数和(自身を除く): 10662244

約数列:

[1, 2, 4, 43, 61, 86, 122, 172, 244, 1237, 2474, 2623, 4948, 5246, 10492, 53191, 75457, 106382, 150914, 212764, 301828, 3244651, 6489302, 12978604]

約数ペア:

[(1, 12978604), (2, 6489302), (4, 3244651), (43, 301828), (61, 212764), (86, 150914), (122, 106382), (172, 75457), (244, 53191), (1237, 10492), (2474, 5246), (2623, 4948)]