13131565

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{173}}^1$

素因数の和:261

約数の個数: 32

約数和(自身を含む): 18040320

約数和(自身を除く): 4908755

約数列:

[1, 5, 17, 19, 47, 85, 95, 173, 235, 323, 799, 865, 893, 1615, 2941, 3287, 3995, 4465, 8131, 14705, 15181, 16435, 40655, 55879, 75905, 138227, 154489, 279395, 691135, 772445, 2626313, 13131565]

約数ペア:

[(1, 13131565), (5, 2626313), (17, 772445), (19, 691135), (47, 279395), (85, 154489), (95, 138227), (173, 75905), (235, 55879), (323, 40655), (799, 16435), (865, 15181), (893, 14705), (1615, 8131), (2941, 4465), (3287, 3995)]