12781912

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{11173}}^1$

素因数の和:11203

約数の個数: 32

約数和(自身を含む): 28158480

約数和(自身を除く): 15376568

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 11173, 22346, 44692, 89384, 122903, 145249, 245806, 290498, 491612, 580996, 983224, 1161992, 1597739, 3195478, 6390956, 12781912]

約数ペア:

[(1, 12781912), (2, 6390956), (4, 3195478), (8, 1597739), (11, 1161992), (13, 983224), (22, 580996), (26, 491612), (44, 290498), (52, 245806), (88, 145249), (104, 122903), (143, 89384), (286, 44692), (572, 22346), (1144, 11173)]