208057904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{439}}^1\times {\mathrm{1559}}^1$

素因数の和:2025

約数の個数: 40

約数和(自身を含む): 425568000

約数和(自身を除く): 217510096

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 439, 878, 1559, 1756, 3118, 3512, 6236, 7024, 8341, 12472, 16682, 24944, 29621, 33364, 59242, 66728, 118484, 133456, 236968, 473936, 684401, 1368802, 2737604, 5475208, 10950416, 13003619, 26007238, 52014476, 104028952, 208057904]

約数ペア:

[(1, 208057904), (2, 104028952), (4, 52014476), (8, 26007238), (16, 13003619), (19, 10950416), (38, 5475208), (76, 2737604), (152, 1368802), (304, 684401), (439, 473936), (878, 236968), (1559, 133456), (1756, 118484), (3118, 66728), (3512, 59242), (6236, 33364), (7024, 29621), (8341, 24944), (12472, 16682)]