3999215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:167

約数の個数: 32

約数和(自身を含む): 5702400

約数和(自身を除く): 1703185

約数列:

[1, 5, 11, 19, 43, 55, 89, 95, 209, 215, 445, 473, 817, 979, 1045, 1691, 2365, 3827, 4085, 4895, 8455, 8987, 18601, 19135, 42097, 44935, 72713, 93005, 210485, 363565, 799843, 3999215]

約数ペア:

[(1, 3999215), (5, 799843), (11, 363565), (19, 210485), (43, 93005), (55, 72713), (89, 44935), (95, 42097), (209, 19135), (215, 18601), (445, 8987), (473, 8455), (817, 4895), (979, 4085), (1045, 3827), (1691, 2365)]