1520787989

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{241127}}^1$

素因数の和:241204

約数の個数: 16

約数和(自身を含む): 1875011328

約数和(自身を除く): 354223339

約数列:

[1, 7, 17, 53, 119, 371, 901, 6307, 241127, 1687889, 4099159, 12779731, 28694113, 89458117, 217255427, 1520787989]

約数ペア:

[(1, 1520787989), (7, 217255427), (17, 89458117), (53, 28694113), (119, 12779731), (371, 4099159), (901, 1687889), (6307, 241127)]