257629216

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{1871}}^1$

素因数の和:2225

約数の個数: 48

約数和(自身を含む): 548166528

約数和(自身を除く): 290537312

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 331, 416, 662, 1324, 1871, 2648, 3742, 4303, 5296, 7484, 8606, 10592, 14968, 17212, 24323, 29936, 34424, 48646, 59872, 68848, 97292, 137696, 194584, 389168, 619301, 778336, 1238602, 2477204, 4954408, 8050913, 9908816, 16101826, 19817632, 32203652, 64407304, 128814608, 257629216]

約数ペア:

[(1, 257629216), (2, 128814608), (4, 64407304), (8, 32203652), (13, 19817632), (16, 16101826), (26, 9908816), (32, 8050913), (52, 4954408), (104, 2477204), (208, 1238602), (331, 778336), (416, 619301), (662, 389168), (1324, 194584), (1871, 137696), (2648, 97292), (3742, 68848), (4303, 59872), (5296, 48646), (7484, 34424), (8606, 29936), (10592, 24323), (14968, 17212)]