257584236

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1697}}^1$

素因数の和:1863

約数の個数: 96

約数和(自身を含む): 745489920

約数和(自身を除く): 487905684

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 139, 156, 182, 273, 278, 364, 417, 546, 556, 834, 973, 1092, 1668, 1697, 1807, 1946, 2919, 3394, 3614, 3892, 5091, 5421, 5838, 6788, 7228, 10182, 10842, 11676, 11879, 12649, 20364, 21684, 22061, 23758, 25298, 35637, 37947, 44122, 47516, 50596, 66183, 71274, 75894, 88244, 132366, 142548, 151788, 154427, 235883, 264732, 308854, 463281, 471766, 617708, 707649, 926562, 943532, 1415298, 1651181, 1853124, 2830596, 3066479, 3302362, 4953543, 6132958, 6604724, 9199437, 9907086, 12265916, 18398874, 19814172, 21465353, 36797748, 42930706, 64396059, 85861412, 128792118, 257584236]

約数ペア:

[(1, 257584236), (2, 128792118), (3, 85861412), (4, 64396059), (6, 42930706), (7, 36797748), (12, 21465353), (13, 19814172), (14, 18398874), (21, 12265916), (26, 9907086), (28, 9199437), (39, 6604724), (42, 6132958), (52, 4953543), (78, 3302362), (84, 3066479), (91, 2830596), (139, 1853124), (156, 1651181), (182, 1415298), (273, 943532), (278, 926562), (364, 707649), (417, 617708), (546, 471766), (556, 463281), (834, 308854), (973, 264732), (1092, 235883), (1668, 154427), (1697, 151788), (1807, 142548), (1946, 132366), (2919, 88244), (3394, 75894), (3614, 71274), (3892, 66183), (5091, 50596), (5421, 47516), (5838, 44122), (6788, 37947), (7228, 35637), (10182, 25298), (10842, 23758), (11676, 22061), (11879, 21684), (12649, 20364)]