129887024

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{1999}}^1$

素因数の和:2169

約数の個数: 40

約数和(自身を含む): 261888000

約数和(自身を除く): 132000976

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 131, 248, 262, 496, 524, 1048, 1999, 2096, 3998, 4061, 7996, 8122, 15992, 16244, 31984, 32488, 61969, 64976, 123938, 247876, 261869, 495752, 523738, 991504, 1047476, 2094952, 4189904, 8117939, 16235878, 32471756, 64943512, 129887024]

約数ペア:

[(1, 129887024), (2, 64943512), (4, 32471756), (8, 16235878), (16, 8117939), (31, 4189904), (62, 2094952), (124, 1047476), (131, 991504), (248, 523738), (262, 495752), (496, 261869), (524, 247876), (1048, 123938), (1999, 64976), (2096, 61969), (3998, 32488), (4061, 31984), (7996, 16244), (8122, 15992)]