12871448

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:168

約数の個数: 64

約数和(自身を含む): 27371520

約数和(自身を除く): 14500072

約数列:

[1, 2, 4, 8, 17, 31, 34, 43, 62, 68, 71, 86, 124, 136, 142, 172, 248, 284, 344, 527, 568, 731, 1054, 1207, 1333, 1462, 2108, 2201, 2414, 2666, 2924, 3053, 4216, 4402, 4828, 5332, 5848, 6106, 8804, 9656, 10664, 12212, 17608, 22661, 24424, 37417, 45322, 51901, 74834, 90644, 94643, 103802, 149668, 181288, 189286, 207604, 299336, 378572, 415208, 757144, 1608931, 3217862, 6435724, 12871448]

約数ペア:

[(1, 12871448), (2, 6435724), (4, 3217862), (8, 1608931), (17, 757144), (31, 415208), (34, 378572), (43, 299336), (62, 207604), (68, 189286), (71, 181288), (86, 149668), (124, 103802), (136, 94643), (142, 90644), (172, 74834), (248, 51901), (284, 45322), (344, 37417), (527, 24424), (568, 22661), (731, 17608), (1054, 12212), (1207, 10664), (1333, 9656), (1462, 8804), (2108, 6106), (2201, 5848), (2414, 5332), (2666, 4828), (2924, 4402), (3053, 4216)]