12901552

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:397

約数の個数: 40

約数和(自身を含む): 26060832

約数和(自身を除く): 13159280

約数列:

[1, 2, 4, 8, 16, 41, 71, 82, 142, 164, 277, 284, 328, 554, 568, 656, 1108, 1136, 2216, 2911, 4432, 5822, 11357, 11644, 19667, 22714, 23288, 39334, 45428, 46576, 78668, 90856, 157336, 181712, 314672, 806347, 1612694, 3225388, 6450776, 12901552]

約数ペア:

[(1, 12901552), (2, 6450776), (4, 3225388), (8, 1612694), (16, 806347), (41, 314672), (71, 181712), (82, 157336), (142, 90856), (164, 78668), (277, 46576), (284, 45428), (328, 39334), (554, 23288), (568, 22714), (656, 19667), (1108, 11644), (1136, 11357), (2216, 5822), (2911, 4432)]