39985253

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 53114880

約数和(自身を除く): 13129627

約数列:

[1, 7, 11, 19, 77, 133, 151, 181, 209, 1057, 1267, 1463, 1661, 1991, 2869, 3439, 11627, 13937, 20083, 24073, 27331, 31559, 37829, 191317, 220913, 264803, 300641, 519289, 2104487, 3635023, 5712179, 39985253]

約数ペア:

[(1, 39985253), (7, 5712179), (11, 3635023), (19, 2104487), (77, 519289), (133, 300641), (151, 264803), (181, 220913), (209, 191317), (1057, 37829), (1267, 31559), (1463, 27331), (1661, 24073), (1991, 20083), (2869, 13937), (3439, 11627)]