30931292

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{15559}}^1$

素因数の和:15641

約数の個数: 24

約数和(自身を含む): 62737920

約数和(自身を除く): 31806628

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 15559, 31118, 62236, 108913, 217826, 435652, 1104689, 2209378, 4418756, 7732823, 15465646, 30931292]

約数ペア:

[(1, 30931292), (2, 15465646), (4, 7732823), (7, 4418756), (14, 2209378), (28, 1104689), (71, 435652), (142, 217826), (284, 108913), (497, 62236), (994, 31118), (1988, 15559)]