281542016

素因数分解:

$2^7\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1579}}^1$

素因数の和:1799

約数の個数: 64

約数和(自身を含む): 644640000

約数和(自身を除く): 363097984

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 199, 224, 398, 448, 796, 896, 1393, 1579, 1592, 2786, 3158, 3184, 5572, 6316, 6368, 11053, 11144, 12632, 12736, 22106, 22288, 25264, 25472, 44212, 44576, 50528, 88424, 89152, 101056, 176848, 178304, 202112, 314221, 353696, 628442, 707392, 1256884, 1414784, 2199547, 2513768, 4399094, 5027536, 8798188, 10055072, 17596376, 20110144, 35192752, 40220288, 70385504, 140771008, 281542016]

約数ペア:

[(1, 281542016), (2, 140771008), (4, 70385504), (7, 40220288), (8, 35192752), (14, 20110144), (16, 17596376), (28, 10055072), (32, 8798188), (56, 5027536), (64, 4399094), (112, 2513768), (128, 2199547), (199, 1414784), (224, 1256884), (398, 707392), (448, 628442), (796, 353696), (896, 314221), (1393, 202112), (1579, 178304), (1592, 176848), (2786, 101056), (3158, 89152), (3184, 88424), (5572, 50528), (6316, 44576), (6368, 44212), (11053, 25472), (11144, 25264), (12632, 22288), (12736, 22106)]