257306868

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2909}}^1$

素因数の和:2948

約数の個数: 144

約数和(自身を含む): 830444160

約数和(自身を除く): 573137292

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 27, 28, 36, 39, 42, 52, 54, 63, 78, 81, 84, 91, 108, 117, 126, 156, 162, 182, 189, 234, 243, 252, 273, 324, 351, 364, 378, 468, 486, 546, 567, 702, 756, 819, 972, 1053, 1092, 1134, 1404, 1638, 1701, 2106, 2268, 2457, 2909, 3159, 3276, 3402, 4212, 4914, 5818, 6318, 6804, 7371, 8727, 9828, 11636, 12636, 14742, 17454, 20363, 22113, 26181, 29484, 34908, 37817, 40726, 44226, 52362, 61089, 75634, 78543, 81452, 88452, 104724, 113451, 122178, 151268, 157086, 183267, 226902, 235629, 244356, 264719, 314172, 340353, 366534, 453804, 471258, 529438, 549801, 680706, 706887, 733068, 794157, 942516, 1021059, 1058876, 1099602, 1361412, 1413774, 1588314, 1649403, 2042118, 2199204, 2382471, 2827548, 3063177, 3176628, 3298806, 4084236, 4764942, 4948209, 6126354, 6597612, 7147413, 9189531, 9529884, 9896418, 12252708, 14294826, 18379062, 19792836, 21442239, 28589652, 36758124, 42884478, 64326717, 85768956, 128653434, 257306868]

約数ペア:

[(1, 257306868), (2, 128653434), (3, 85768956), (4, 64326717), (6, 42884478), (7, 36758124), (9, 28589652), (12, 21442239), (13, 19792836), (14, 18379062), (18, 14294826), (21, 12252708), (26, 9896418), (27, 9529884), (28, 9189531), (36, 7147413), (39, 6597612), (42, 6126354), (52, 4948209), (54, 4764942), (63, 4084236), (78, 3298806), (81, 3176628), (84, 3063177), (91, 2827548), (108, 2382471), (117, 2199204), (126, 2042118), (156, 1649403), (162, 1588314), (182, 1413774), (189, 1361412), (234, 1099602), (243, 1058876), (252, 1021059), (273, 942516), (324, 794157), (351, 733068), (364, 706887), (378, 680706), (468, 549801), (486, 529438), (546, 471258), (567, 453804), (702, 366534), (756, 340353), (819, 314172), (972, 264719), (1053, 244356), (1092, 235629), (1134, 226902), (1404, 183267), (1638, 157086), (1701, 151268), (2106, 122178), (2268, 113451), (2457, 104724), (2909, 88452), (3159, 81452), (3276, 78543), (3402, 75634), (4212, 61089), (4914, 52362), (5818, 44226), (6318, 40726), (6804, 37817), (7371, 34908), (8727, 29484), (9828, 26181), (11636, 22113), (12636, 20363), (14742, 17454)]