488921344

素因数分解:

$2^8\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:447

約数の個数: 72

約数和(自身を含む): 1003685760

約数和(自身を除く): 514764416

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 131, 239, 244, 256, 262, 478, 488, 524, 956, 976, 1048, 1912, 1952, 2096, 3824, 3904, 4192, 7648, 7808, 7991, 8384, 14579, 15296, 15616, 15982, 16768, 29158, 30592, 31309, 31964, 33536, 58316, 61184, 62618, 63928, 116632, 125236, 127856, 233264, 250472, 255712, 466528, 500944, 511424, 933056, 1001888, 1022848, 1866112, 1909849, 2003776, 2045696, 3732224, 3819698, 4007552, 7639396, 8015104, 15278792, 30557584, 61115168, 122230336, 244460672, 488921344]

約数ペア:

[(1, 488921344), (2, 244460672), (4, 122230336), (8, 61115168), (16, 30557584), (32, 15278792), (61, 8015104), (64, 7639396), (122, 4007552), (128, 3819698), (131, 3732224), (239, 2045696), (244, 2003776), (256, 1909849), (262, 1866112), (478, 1022848), (488, 1001888), (524, 933056), (956, 511424), (976, 500944), (1048, 466528), (1912, 255712), (1952, 250472), (2096, 233264), (3824, 127856), (3904, 125236), (4192, 116632), (7648, 63928), (7808, 62618), (7991, 61184), (8384, 58316), (14579, 33536), (15296, 31964), (15616, 31309), (15982, 30592), (16768, 29158)]