638163648

素因数分解:

$2^6\times 3^2\times {\mathrm{1107923}}^1$

素因数の和:1107941

約数の個数: 42

約数和(自身を含む): 1829182524

約数和(自身を除く): 1191018876

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 576, 1107923, 2215846, 3323769, 4431692, 6647538, 8863384, 9971307, 13295076, 17726768, 19942614, 26590152, 35453536, 39885228, 53180304, 70907072, 79770456, 106360608, 159540912, 212721216, 319081824, 638163648]

約数ペア:

[(1, 638163648), (2, 319081824), (3, 212721216), (4, 159540912), (6, 106360608), (8, 79770456), (9, 70907072), (12, 53180304), (16, 39885228), (18, 35453536), (24, 26590152), (32, 19942614), (36, 17726768), (48, 13295076), (64, 9971307), (72, 8863384), (96, 6647538), (144, 4431692), (192, 3323769), (288, 2215846), (576, 1107923)]