71725210

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{421913}}^1$

素因数の和:421937

約数の個数: 16

約数和(自身を含む): 136700136

約数和(自身を除く): 64974926

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 421913, 843826, 2109565, 4219130, 7172521, 14345042, 35862605, 71725210]

約数ペア:

[(1, 71725210), (2, 35862605), (5, 14345042), (10, 7172521), (17, 4219130), (34, 2109565), (85, 843826), (170, 421913)]