256455732

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{283}}^1$

素因数の和:497

約数の個数: 96

約数和(自身を含む): 668413312

約数和(自身を除く): 411957580

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 37, 39, 52, 74, 78, 111, 148, 156, 157, 222, 283, 314, 444, 471, 481, 566, 628, 849, 942, 962, 1132, 1443, 1698, 1884, 1924, 2041, 2886, 3396, 3679, 4082, 5772, 5809, 6123, 7358, 8164, 10471, 11037, 11618, 12246, 14716, 17427, 20942, 22074, 23236, 24492, 31413, 34854, 41884, 44148, 44431, 62826, 69708, 75517, 88862, 125652, 133293, 136123, 151034, 177724, 226551, 266586, 272246, 302068, 408369, 453102, 533172, 544492, 577603, 816738, 906204, 1155206, 1633476, 1643947, 1732809, 2310412, 3287894, 3465618, 4931841, 6575788, 6931236, 9863682, 19727364, 21371311, 42742622, 64113933, 85485244, 128227866, 256455732]

約数ペア:

[(1, 256455732), (2, 128227866), (3, 85485244), (4, 64113933), (6, 42742622), (12, 21371311), (13, 19727364), (26, 9863682), (37, 6931236), (39, 6575788), (52, 4931841), (74, 3465618), (78, 3287894), (111, 2310412), (148, 1732809), (156, 1643947), (157, 1633476), (222, 1155206), (283, 906204), (314, 816738), (444, 577603), (471, 544492), (481, 533172), (566, 453102), (628, 408369), (849, 302068), (942, 272246), (962, 266586), (1132, 226551), (1443, 177724), (1698, 151034), (1884, 136123), (1924, 133293), (2041, 125652), (2886, 88862), (3396, 75517), (3679, 69708), (4082, 62826), (5772, 44431), (5809, 44148), (6123, 41884), (7358, 34854), (8164, 31413), (10471, 24492), (11037, 23236), (11618, 22074), (12246, 20942), (14716, 17427)]