217906192

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{62761}}^1$

素因数の和:62807

約数の個数: 40

約数和(自身を含む): 498079232

約数和(自身を除く): 280173040

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 62761, 125522, 251044, 439327, 502088, 878654, 1004176, 1757308, 1945591, 3514616, 3891182, 7029232, 7782364, 13619137, 15564728, 27238274, 31129456, 54476548, 108953096, 217906192]

約数ペア:

[(1, 217906192), (2, 108953096), (4, 54476548), (7, 31129456), (8, 27238274), (14, 15564728), (16, 13619137), (28, 7782364), (31, 7029232), (56, 3891182), (62, 3514616), (112, 1945591), (124, 1757308), (217, 1004176), (248, 878654), (434, 502088), (496, 439327), (868, 251044), (1736, 125522), (3472, 62761)]