200820473

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{491}}^2$

素因数の和:1013

約数の個数: 18

約数和(自身を含む): 247853898

約数和(自身を除く): 47033425

約数列:

[1, 7, 17, 49, 119, 491, 833, 3437, 8347, 24059, 58429, 241081, 409003, 1687567, 4098377, 11812969, 28688639, 200820473]

約数ペア:

[(1, 200820473), (7, 28688639), (17, 11812969), (49, 4098377), (119, 1687567), (491, 409003), (833, 241081), (3437, 58429), (8347, 24059)]