870801965

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{40493}}^1$

素因数の和:40549

約数の個数: 32

約数和(自身を含む): 1259525376

約数和(自身を除く): 388723411

約数列:

[1, 5, 11, 17, 23, 55, 85, 115, 187, 253, 391, 935, 1265, 1955, 4301, 21505, 40493, 202465, 445423, 688381, 931339, 2227115, 3441905, 4656695, 7572191, 10244729, 15832763, 37860955, 51223645, 79163815, 174160393, 870801965]

約数ペア:

[(1, 870801965), (5, 174160393), (11, 79163815), (17, 51223645), (23, 37860955), (55, 15832763), (85, 10244729), (115, 7572191), (187, 4656695), (253, 3441905), (391, 2227115), (935, 931339), (1265, 688381), (1955, 445423), (4301, 202465), (21505, 40493)]