12885439

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:223

約数の個数: 32

約数和(自身を含む): 16934400

約数和(自身を除く): 4048961

約数列:

[1, 7, 17, 19, 41, 119, 133, 139, 287, 323, 697, 779, 973, 2261, 2363, 2641, 4879, 5453, 5699, 13243, 16541, 18487, 39893, 44897, 92701, 96883, 108281, 314279, 678181, 757967, 1840777, 12885439]

約数ペア:

[(1, 12885439), (7, 1840777), (17, 757967), (19, 678181), (41, 314279), (119, 108281), (133, 96883), (139, 92701), (287, 44897), (323, 39893), (697, 18487), (779, 16541), (973, 13243), (2261, 5699), (2363, 5453), (2641, 4879)]