27770848

素因数分解:

$2^5\times 7^2\times {\mathrm{89}}^1\times {\mathrm{199}}^1$

素因数の和:312

約数の個数: 72

約数和(自身を含む): 64638000

約数和(自身を除く): 36867152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 89, 98, 112, 178, 196, 199, 224, 356, 392, 398, 623, 712, 784, 796, 1246, 1393, 1424, 1568, 1592, 2492, 2786, 2848, 3184, 4361, 4984, 5572, 6368, 8722, 9751, 9968, 11144, 17444, 17711, 19502, 19936, 22288, 34888, 35422, 39004, 44576, 69776, 70844, 78008, 123977, 139552, 141688, 156016, 247954, 283376, 312032, 495908, 566752, 867839, 991816, 1735678, 1983632, 3471356, 3967264, 6942712, 13885424, 27770848]

約数ペア:

[(1, 27770848), (2, 13885424), (4, 6942712), (7, 3967264), (8, 3471356), (14, 1983632), (16, 1735678), (28, 991816), (32, 867839), (49, 566752), (56, 495908), (89, 312032), (98, 283376), (112, 247954), (178, 156016), (196, 141688), (199, 139552), (224, 123977), (356, 78008), (392, 70844), (398, 69776), (623, 44576), (712, 39004), (784, 35422), (796, 34888), (1246, 22288), (1393, 19936), (1424, 19502), (1568, 17711), (1592, 17444), (2492, 11144), (2786, 9968), (2848, 9751), (3184, 8722), (4361, 6368), (4984, 5572)]