277214808

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{20663}}^1$

素因数の和:20728

約数の個数: 64

約数和(自身を含む): 763741440

約数和(自身を除く): 486526632

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 43, 52, 78, 86, 104, 129, 156, 172, 258, 312, 344, 516, 559, 1032, 1118, 1677, 2236, 3354, 4472, 6708, 13416, 20663, 41326, 61989, 82652, 123978, 165304, 247956, 268619, 495912, 537238, 805857, 888509, 1074476, 1611714, 1777018, 2148952, 2665527, 3223428, 3554036, 5331054, 6446856, 7108072, 10662108, 11550617, 21324216, 23101234, 34651851, 46202468, 69303702, 92404936, 138607404, 277214808]

約数ペア:

[(1, 277214808), (2, 138607404), (3, 92404936), (4, 69303702), (6, 46202468), (8, 34651851), (12, 23101234), (13, 21324216), (24, 11550617), (26, 10662108), (39, 7108072), (43, 6446856), (52, 5331054), (78, 3554036), (86, 3223428), (104, 2665527), (129, 2148952), (156, 1777018), (172, 1611714), (258, 1074476), (312, 888509), (344, 805857), (516, 537238), (559, 495912), (1032, 268619), (1118, 247956), (1677, 165304), (2236, 123978), (3354, 82652), (4472, 61989), (6708, 41326), (13416, 20663)]