254821518

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{674131}}^1$

素因数の和:674149

約数の個数: 32

約数和(自身を含む): 647166720

約数和(自身を除く): 392345202

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 674131, 1348262, 2022393, 4044786, 4718917, 6067179, 9437834, 12134358, 14156751, 18201537, 28313502, 36403074, 42470253, 84940506, 127410759, 254821518]

約数ペア:

[(1, 254821518), (2, 127410759), (3, 84940506), (6, 42470253), (7, 36403074), (9, 28313502), (14, 18201537), (18, 14156751), (21, 12134358), (27, 9437834), (42, 6067179), (54, 4718917), (63, 4044786), (126, 2022393), (189, 1348262), (378, 674131)]