142990561

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{283}}^1$

素因数の和:469

約数の個数: 32

約数和(自身を含む): 179942400

約数和(自身を除く): 36951839

約数列:

[1, 7, 19, 29, 131, 133, 203, 283, 551, 917, 1981, 2489, 3799, 3857, 5377, 8207, 17423, 26593, 37073, 37639, 57449, 72181, 155933, 259511, 505267, 704387, 1075117, 1091531, 4930709, 7525819, 20427223, 142990561]

約数ペア:

[(1, 142990561), (7, 20427223), (19, 7525819), (29, 4930709), (131, 1091531), (133, 1075117), (203, 704387), (283, 505267), (551, 259511), (917, 155933), (1981, 72181), (2489, 57449), (3799, 37639), (3857, 37073), (5377, 26593), (8207, 17423)]