278439848

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{331}}^1\times {\mathrm{1481}}^1$

素因数の和:1889

約数の個数: 32

約数和(自身を含む): 531385920

約数和(自身を除く): 252946072

約数列:

[1, 2, 4, 8, 71, 142, 284, 331, 568, 662, 1324, 1481, 2648, 2962, 5924, 11848, 23501, 47002, 94004, 105151, 188008, 210302, 420604, 490211, 841208, 980422, 1960844, 3921688, 34804981, 69609962, 139219924, 278439848]

約数ペア:

[(1, 278439848), (2, 139219924), (4, 69609962), (8, 34804981), (71, 3921688), (142, 1960844), (284, 980422), (331, 841208), (568, 490211), (662, 420604), (1324, 210302), (1481, 188008), (2648, 105151), (2962, 94004), (5924, 47002), (11848, 23501)]