640811521

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{24097}}^1$

素因数の和:24264

約数の個数: 16

約数和(自身を含む): 763424640

約数和(自身を除く): 122613119

約数列:

[1, 7, 29, 131, 203, 917, 3799, 24097, 26593, 168679, 698813, 3156707, 4891691, 22096949, 91544503, 640811521]

約数ペア:

[(1, 640811521), (7, 91544503), (29, 22096949), (131, 4891691), (203, 3156707), (917, 698813), (3799, 168679), (24097, 26593)]