639730049

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{9281}}^1$

素因数の和:9560

約数の個数: 16

約数和(自身を含む): 751470720

約数和(自身を除く): 111740671

約数列:

[1, 7, 43, 229, 301, 1603, 9281, 9847, 64967, 68929, 399083, 2125349, 2793581, 14877443, 91390007, 639730049]

約数ペア:

[(1, 639730049), (7, 91390007), (43, 14877443), (229, 2793581), (301, 2125349), (1603, 399083), (9281, 68929), (9847, 64967)]