71809828

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{4691}}^1$

素因数の和:4827

約数の個数: 24

約数和(自身を含む): 130062240

約数和(自身を除く): 58252412

約数列:

[1, 2, 4, 43, 86, 89, 172, 178, 356, 3827, 4691, 7654, 9382, 15308, 18764, 201713, 403426, 417499, 806852, 834998, 1669996, 17952457, 35904914, 71809828]

約数ペア:

[(1, 71809828), (2, 35904914), (4, 17952457), (43, 1669996), (86, 834998), (89, 806852), (172, 417499), (178, 403426), (356, 201713), (3827, 18764), (4691, 15308), (7654, 9382)]