268697584

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{271}}^1\times {\mathrm{1999}}^1$

素因数の和:2309

約数の個数: 40

約数和(自身を含む): 539648000

約数和(自身を除く): 270950416

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 271, 496, 542, 1084, 1999, 2168, 3998, 4336, 7996, 8401, 15992, 16802, 31984, 33604, 61969, 67208, 123938, 134416, 247876, 495752, 541729, 991504, 1083458, 2166916, 4333832, 8667664, 16793599, 33587198, 67174396, 134348792, 268697584]

約数ペア:

[(1, 268697584), (2, 134348792), (4, 67174396), (8, 33587198), (16, 16793599), (31, 8667664), (62, 4333832), (124, 2166916), (248, 1083458), (271, 991504), (496, 541729), (542, 495752), (1084, 247876), (1999, 134416), (2168, 123938), (3998, 67208), (4336, 61969), (7996, 33604), (8401, 31984), (15992, 16802)]