257621292

素因数分解:

$2^2\times 3^2\times {\mathrm{1439}}^1\times {\mathrm{4973}}^1$

素因数の和:6422

約数の個数: 36

約数和(自身を含む): 651792960

約数和(自身を除く): 394171668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1439, 2878, 4317, 4973, 5756, 8634, 9946, 12951, 14919, 17268, 19892, 25902, 29838, 44757, 51804, 59676, 89514, 179028, 7156147, 14312294, 21468441, 28624588, 42936882, 64405323, 85873764, 128810646, 257621292]

約数ペア:

[(1, 257621292), (2, 128810646), (3, 85873764), (4, 64405323), (6, 42936882), (9, 28624588), (12, 21468441), (18, 14312294), (36, 7156147), (1439, 179028), (2878, 89514), (4317, 59676), (4973, 51804), (5756, 44757), (8634, 29838), (9946, 25902), (12951, 19892), (14919, 17268)]