1280632444

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{523}}^1$

素因数の和:616

約数の個数: 108

約数和(自身を含む): 2906574552

約数和(自身を除く): 1625942108

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 49, 52, 62, 91, 98, 124, 182, 196, 217, 364, 403, 434, 523, 637, 806, 868, 961, 1046, 1274, 1519, 1612, 1922, 2092, 2548, 2821, 3038, 3661, 3844, 5642, 6076, 6727, 6799, 7322, 11284, 12493, 13454, 13598, 14644, 16213, 19747, 24986, 25627, 26908, 27196, 32426, 39494, 47089, 47593, 49972, 51254, 64852, 78988, 87451, 94178, 95186, 102508, 113491, 174902, 188356, 190372, 210769, 226982, 333151, 349804, 421538, 453964, 502603, 612157, 666302, 794437, 843076, 1005206, 1224314, 1332604, 1475383, 1588874, 2010412, 2448628, 2950766, 3177748, 3518221, 5901532, 6533839, 7036442, 10327681, 13067678, 14072884, 20655362, 24627547, 26135356, 41310724, 45736873, 49255094, 91473746, 98510188, 182947492, 320158111, 640316222, 1280632444]

約数ペア:

[(1, 1280632444), (2, 640316222), (4, 320158111), (7, 182947492), (13, 98510188), (14, 91473746), (26, 49255094), (28, 45736873), (31, 41310724), (49, 26135356), (52, 24627547), (62, 20655362), (91, 14072884), (98, 13067678), (124, 10327681), (182, 7036442), (196, 6533839), (217, 5901532), (364, 3518221), (403, 3177748), (434, 2950766), (523, 2448628), (637, 2010412), (806, 1588874), (868, 1475383), (961, 1332604), (1046, 1224314), (1274, 1005206), (1519, 843076), (1612, 794437), (1922, 666302), (2092, 612157), (2548, 502603), (2821, 453964), (3038, 421538), (3661, 349804), (3844, 333151), (5642, 226982), (6076, 210769), (6727, 190372), (6799, 188356), (7322, 174902), (11284, 113491), (12493, 102508), (13454, 95186), (13598, 94178), (14644, 87451), (16213, 78988), (19747, 64852), (24986, 51254), (25627, 49972), (26908, 47593), (27196, 47089), (32426, 39494)]