257051522

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{9479}}^1$

素因数の和:9650

約数の個数: 32

約数和(自身を含む): 477792000

約数和(自身を除く): 220740478

約数列:

[1, 2, 7, 13, 14, 26, 91, 149, 182, 298, 1043, 1937, 2086, 3874, 9479, 13559, 18958, 27118, 66353, 123227, 132706, 246454, 862589, 1412371, 1725178, 2824742, 9886597, 18360823, 19773194, 36721646, 128525761, 257051522]

約数ペア:

[(1, 257051522), (2, 128525761), (7, 36721646), (13, 19773194), (14, 18360823), (26, 9886597), (91, 2824742), (149, 1725178), (182, 1412371), (298, 862589), (1043, 246454), (1937, 132706), (2086, 123227), (3874, 66353), (9479, 27118), (13559, 18958)]