256277772

素因数分解:

$2^2\times 3^2\times {\mathrm{83}}^1\times {\mathrm{199}}^1\times {\mathrm{431}}^1$

素因数の和:723

約数の個数: 72

約数和(自身を含む): 660441600

約数和(自身を除く): 404163828

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 83, 166, 199, 249, 332, 398, 431, 498, 597, 747, 796, 862, 996, 1194, 1293, 1494, 1724, 1791, 2388, 2586, 2988, 3582, 3879, 5172, 7164, 7758, 15516, 16517, 33034, 35773, 49551, 66068, 71546, 85769, 99102, 107319, 143092, 148653, 171538, 198204, 214638, 257307, 297306, 321957, 343076, 429276, 514614, 594612, 643914, 771921, 1029228, 1287828, 1543842, 3087684, 7118827, 14237654, 21356481, 28475308, 42712962, 64069443, 85425924, 128138886, 256277772]

約数ペア:

[(1, 256277772), (2, 128138886), (3, 85425924), (4, 64069443), (6, 42712962), (9, 28475308), (12, 21356481), (18, 14237654), (36, 7118827), (83, 3087684), (166, 1543842), (199, 1287828), (249, 1029228), (332, 771921), (398, 643914), (431, 594612), (498, 514614), (597, 429276), (747, 343076), (796, 321957), (862, 297306), (996, 257307), (1194, 214638), (1293, 198204), (1494, 171538), (1724, 148653), (1791, 143092), (2388, 107319), (2586, 99102), (2988, 85769), (3582, 71546), (3879, 66068), (5172, 49551), (7164, 35773), (7758, 33034), (15516, 16517)]