999408208

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{113363}}^1$

素因数の和:113419

約数の個数: 40

約数和(自身を含む): 2108570400

約数和(自身を除く): 1109162192

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 58, 76, 116, 152, 232, 304, 464, 551, 1102, 2204, 4408, 8816, 113363, 226726, 453452, 906904, 1813808, 2153897, 3287527, 4307794, 6575054, 8615588, 13150108, 17231176, 26300216, 34462352, 52600432, 62463013, 124926026, 249852052, 499704104, 999408208]

約数ペア:

[(1, 999408208), (2, 499704104), (4, 249852052), (8, 124926026), (16, 62463013), (19, 52600432), (29, 34462352), (38, 26300216), (58, 17231176), (76, 13150108), (116, 8615588), (152, 6575054), (232, 4307794), (304, 3287527), (464, 2153897), (551, 1813808), (1102, 906904), (2204, 453452), (4408, 226726), (8816, 113363)]