257131878

素因数分解:

$2^1\times 3^1\times {\mathrm{103}}^1\times {\mathrm{416071}}^1$

素因数の和:416179

約数の個数: 16

約数和(自身を含む): 519257856

約数和(自身を除く): 262125978

約数列:

[1, 2, 3, 6, 103, 206, 309, 618, 416071, 832142, 1248213, 2496426, 42855313, 85710626, 128565939, 257131878]

約数ペア:

[(1, 257131878), (2, 128565939), (3, 85710626), (6, 42855313), (103, 2496426), (206, 1248213), (309, 832142), (618, 416071)]