257647056

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^2\times {\mathrm{2903}}^1$

素因数の和:3000

約数の個数: 60

約数和(自身を含む): 681661728

約数和(自身を除く): 424014672

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 1849, 2064, 2903, 3698, 5547, 5806, 7396, 8709, 11094, 11612, 14792, 17418, 22188, 23224, 29584, 34836, 44376, 46448, 69672, 88752, 124829, 139344, 249658, 374487, 499316, 748974, 998632, 1497948, 1997264, 2995896, 5367647, 5991792, 10735294, 16102941, 21470588, 32205882, 42941176, 64411764, 85882352, 128823528, 257647056]

約数ペア:

[(1, 257647056), (2, 128823528), (3, 85882352), (4, 64411764), (6, 42941176), (8, 32205882), (12, 21470588), (16, 16102941), (24, 10735294), (43, 5991792), (48, 5367647), (86, 2995896), (129, 1997264), (172, 1497948), (258, 998632), (344, 748974), (516, 499316), (688, 374487), (1032, 249658), (1849, 139344), (2064, 124829), (2903, 88752), (3698, 69672), (5547, 46448), (5806, 44376), (7396, 34836), (8709, 29584), (11094, 23224), (11612, 22188), (14792, 17418)]