256717188

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8707}}^1$

素因数の和:8743

約数の個数: 120

約数和(自身を含む): 826075712

約数和(自身を除く): 569358524

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, 252, 273, 324, 351, 364, 378, 468, 546, 567, 702, 756, 819, 1053, 1092, 1134, 1404, 1638, 2106, 2268, 2457, 3276, 4212, 4914, 7371, 8707, 9828, 14742, 17414, 26121, 29484, 34828, 52242, 60949, 78363, 104484, 113191, 121898, 156726, 182847, 226382, 235089, 243796, 313452, 339573, 365694, 452764, 470178, 548541, 679146, 705267, 731388, 792337, 940356, 1018719, 1097082, 1358292, 1410534, 1584674, 1645623, 2037438, 2194164, 2377011, 2821068, 3056157, 3169348, 3291246, 4074876, 4754022, 4936869, 6112314, 6582492, 7131033, 9168471, 9508044, 9873738, 12224628, 14262066, 18336942, 19747476, 21393099, 28524132, 36673884, 42786198, 64179297, 85572396, 128358594, 256717188]

約数ペア:

[(1, 256717188), (2, 128358594), (3, 85572396), (4, 64179297), (6, 42786198), (7, 36673884), (9, 28524132), (12, 21393099), (13, 19747476), (14, 18336942), (18, 14262066), (21, 12224628), (26, 9873738), (27, 9508044), (28, 9168471), (36, 7131033), (39, 6582492), (42, 6112314), (52, 4936869), (54, 4754022), (63, 4074876), (78, 3291246), (81, 3169348), (84, 3056157), (91, 2821068), (108, 2377011), (117, 2194164), (126, 2037438), (156, 1645623), (162, 1584674), (182, 1410534), (189, 1358292), (234, 1097082), (252, 1018719), (273, 940356), (324, 792337), (351, 731388), (364, 705267), (378, 679146), (468, 548541), (546, 470178), (567, 452764), (702, 365694), (756, 339573), (819, 313452), (1053, 243796), (1092, 235089), (1134, 226382), (1404, 182847), (1638, 156726), (2106, 121898), (2268, 113191), (2457, 104484), (3276, 78363), (4212, 60949), (4914, 52242), (7371, 34828), (8707, 29484), (9828, 26121), (14742, 17414)]