6440005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9007}}^1$

素因数の和:9036

約数の個数: 16

約数和(自身を含む): 9080064

約数和(自身を除く): 2640059

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 9007, 45035, 99077, 117091, 495385, 585455, 1288001, 6440005]

約数ペア:

[(1, 6440005), (5, 1288001), (11, 585455), (13, 495385), (55, 117091), (65, 99077), (143, 45035), (715, 9007)]