231855512

素因数分解:

$2^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{643}}^1$

素因数の和:840

約数の個数: 64

約数和(自身を含む): 511902720

約数和(自身を除く): 280047208

約数列:

[1, 2, 4, 7, 8, 14, 28, 47, 56, 94, 137, 188, 274, 329, 376, 548, 643, 658, 959, 1096, 1286, 1316, 1918, 2572, 2632, 3836, 4501, 5144, 6439, 7672, 9002, 12878, 18004, 25756, 30221, 36008, 45073, 51512, 60442, 88091, 90146, 120884, 176182, 180292, 211547, 241768, 352364, 360584, 423094, 616637, 704728, 846188, 1233274, 1692376, 2466548, 4140277, 4933096, 8280554, 16561108, 28981939, 33122216, 57963878, 115927756, 231855512]

約数ペア:

[(1, 231855512), (2, 115927756), (4, 57963878), (7, 33122216), (8, 28981939), (14, 16561108), (28, 8280554), (47, 4933096), (56, 4140277), (94, 2466548), (137, 1692376), (188, 1233274), (274, 846188), (329, 704728), (376, 616637), (548, 423094), (643, 360584), (658, 352364), (959, 241768), (1096, 211547), (1286, 180292), (1316, 176182), (1918, 120884), (2572, 90146), (2632, 88091), (3836, 60442), (4501, 51512), (5144, 45073), (6439, 36008), (7672, 30221), (9002, 25756), (12878, 18004)]