212853311

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{257}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 255011328

約数和(自身を除く): 42158017

約数列:

[1, 11, 17, 43, 103, 187, 257, 473, 731, 1133, 1751, 2827, 4369, 4429, 8041, 11051, 19261, 26471, 48059, 48719, 75293, 121561, 187867, 291181, 450007, 828223, 1138253, 2066537, 4950077, 12520783, 19350301, 212853311]

約数ペア:

[(1, 212853311), (11, 19350301), (17, 12520783), (43, 4950077), (103, 2066537), (187, 1138253), (257, 828223), (473, 450007), (731, 291181), (1133, 187867), (1751, 121561), (2827, 75293), (4369, 48719), (4429, 48059), (8041, 26471), (11051, 19261)]