638664

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1$

素因数の和:134

約数の個数: 64

約数和(自身を含む): 1814400

約数和(自身を除く): 1175736

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 23, 24, 26, 39, 46, 52, 69, 78, 89, 92, 104, 138, 156, 178, 184, 267, 276, 299, 312, 356, 534, 552, 598, 712, 897, 1068, 1157, 1196, 1794, 2047, 2136, 2314, 2392, 3471, 3588, 4094, 4628, 6141, 6942, 7176, 8188, 9256, 12282, 13884, 16376, 24564, 26611, 27768, 49128, 53222, 79833, 106444, 159666, 212888, 319332, 638664]

約数ペア:

[(1, 638664), (2, 319332), (3, 212888), (4, 159666), (6, 106444), (8, 79833), (12, 53222), (13, 49128), (23, 27768), (24, 26611), (26, 24564), (39, 16376), (46, 13884), (52, 12282), (69, 9256), (78, 8188), (89, 7176), (92, 6942), (104, 6141), (138, 4628), (156, 4094), (178, 3588), (184, 3471), (267, 2392), (276, 2314), (299, 2136), (312, 2047), (356, 1794), (534, 1196), (552, 1157), (598, 1068), (712, 897)]