389639888

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{41771}}^1$

素因数の和:41843

約数の個数: 40

約数和(自身を含む): 839115936

約数和(自身を除く): 449476048

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 53, 88, 106, 176, 212, 424, 583, 848, 1166, 2332, 4664, 9328, 41771, 83542, 167084, 334168, 459481, 668336, 918962, 1837924, 2213863, 3675848, 4427726, 7351696, 8855452, 17710904, 24352493, 35421808, 48704986, 97409972, 194819944, 389639888]

約数ペア:

[(1, 389639888), (2, 194819944), (4, 97409972), (8, 48704986), (11, 35421808), (16, 24352493), (22, 17710904), (44, 8855452), (53, 7351696), (88, 4427726), (106, 3675848), (176, 2213863), (212, 1837924), (424, 918962), (583, 668336), (848, 459481), (1166, 334168), (2332, 167084), (4664, 83542), (9328, 41771)]