40390686

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{320561}}^1$

素因数の和:320576

約数の個数: 24

約数和(自身を含む): 100015344

約数和(自身を除く): 59624658

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 320561, 641122, 961683, 1923366, 2243927, 2885049, 4487854, 5770098, 6731781, 13463562, 20195343, 40390686]

約数ペア:

[(1, 40390686), (2, 20195343), (3, 13463562), (6, 6731781), (7, 5770098), (9, 4487854), (14, 2885049), (18, 2243927), (21, 1923366), (42, 961683), (63, 641122), (126, 320561)]