678665512

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{277}}^1\times {\mathrm{653}}^1$

素因数の和:1010

約数の個数: 64

約数和(自身を含む): 1483585920

約数和(自身を除く): 804920408

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 277, 469, 536, 554, 653, 938, 1108, 1306, 1876, 1939, 2216, 2612, 3752, 3878, 4571, 5224, 7756, 9142, 15512, 18284, 18559, 36568, 37118, 43751, 74236, 87502, 129913, 148472, 175004, 180881, 259826, 306257, 350008, 361762, 519652, 612514, 723524, 1039304, 1225028, 1266167, 1447048, 2450056, 2532334, 5064668, 10129336, 12119027, 24238054, 48476108, 84833189, 96952216, 169666378, 339332756, 678665512]

約数ペア:

[(1, 678665512), (2, 339332756), (4, 169666378), (7, 96952216), (8, 84833189), (14, 48476108), (28, 24238054), (56, 12119027), (67, 10129336), (134, 5064668), (268, 2532334), (277, 2450056), (469, 1447048), (536, 1266167), (554, 1225028), (653, 1039304), (938, 723524), (1108, 612514), (1306, 519652), (1876, 361762), (1939, 350008), (2216, 306257), (2612, 259826), (3752, 180881), (3878, 175004), (4571, 148472), (5224, 129913), (7756, 87502), (9142, 74236), (15512, 43751), (18284, 37118), (18559, 36568)]