257925912

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{2347}}^1$

素因数の和:2616

約数の個数: 64

約数和(自身を含む): 681859200

約数和(自身を除く): 423933288

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 228, 241, 456, 482, 723, 964, 1446, 1928, 2347, 2892, 4579, 4694, 5784, 7041, 9158, 9388, 13737, 14082, 18316, 18776, 27474, 28164, 36632, 44593, 54948, 56328, 89186, 109896, 133779, 178372, 267558, 356744, 535116, 565627, 1070232, 1131254, 1696881, 2262508, 3393762, 4525016, 6787524, 10746913, 13575048, 21493826, 32240739, 42987652, 64481478, 85975304, 128962956, 257925912]

約数ペア:

[(1, 257925912), (2, 128962956), (3, 85975304), (4, 64481478), (6, 42987652), (8, 32240739), (12, 21493826), (19, 13575048), (24, 10746913), (38, 6787524), (57, 4525016), (76, 3393762), (114, 2262508), (152, 1696881), (228, 1131254), (241, 1070232), (456, 565627), (482, 535116), (723, 356744), (964, 267558), (1446, 178372), (1928, 133779), (2347, 109896), (2892, 89186), (4579, 56328), (4694, 54948), (5784, 44593), (7041, 36632), (9158, 28164), (9388, 27474), (13737, 18776), (14082, 18316)]