15828197

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:417

約数の個数: 32

約数和(自身を含む): 21504000

約数和(自身を除く): 5675803

約数列:

[1, 7, 11, 19, 31, 77, 133, 209, 217, 341, 349, 589, 1463, 2387, 2443, 3839, 4123, 6479, 6631, 10819, 26873, 45353, 46417, 72941, 75733, 119009, 205561, 510587, 833063, 1438927, 2261171, 15828197]

約数ペア:

[(1, 15828197), (7, 2261171), (11, 1438927), (19, 833063), (31, 510587), (77, 205561), (133, 119009), (209, 75733), (217, 72941), (341, 46417), (349, 45353), (589, 26873), (1463, 10819), (2387, 6631), (2443, 6479), (3839, 4123)]