256626756

素因数分解:

$2^2\times 3^2\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{853}}^1$

素因数の和:1061

約数の個数: 72

約数和(自身を含む): 664920984

約数和(自身を除く): 408294228

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 61, 122, 137, 183, 244, 274, 366, 411, 548, 549, 732, 822, 853, 1098, 1233, 1644, 1706, 2196, 2466, 2559, 3412, 4932, 5118, 7677, 8357, 10236, 15354, 16714, 25071, 30708, 33428, 50142, 52033, 75213, 100284, 104066, 116861, 150426, 156099, 208132, 233722, 300852, 312198, 350583, 467444, 468297, 624396, 701166, 936594, 1051749, 1402332, 1873188, 2103498, 4206996, 7128521, 14257042, 21385563, 28514084, 42771126, 64156689, 85542252, 128313378, 256626756]

約数ペア:

[(1, 256626756), (2, 128313378), (3, 85542252), (4, 64156689), (6, 42771126), (9, 28514084), (12, 21385563), (18, 14257042), (36, 7128521), (61, 4206996), (122, 2103498), (137, 1873188), (183, 1402332), (244, 1051749), (274, 936594), (366, 701166), (411, 624396), (548, 468297), (549, 467444), (732, 350583), (822, 312198), (853, 300852), (1098, 233722), (1233, 208132), (1644, 156099), (1706, 150426), (2196, 116861), (2466, 104066), (2559, 100284), (3412, 75213), (4932, 52033), (5118, 50142), (7677, 33428), (8357, 30708), (10236, 25071), (15354, 16714)]