28000994

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{14389}}^1$

素因数の和:14537

約数の個数: 16

約数和(自身を含む): 48350400

約数和(自身を除く): 20349406

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 14389, 28778, 100723, 201446, 2000071, 4000142, 14000497, 28000994]

約数ペア:

[(1, 28000994), (2, 14000497), (7, 4000142), (14, 2000071), (139, 201446), (278, 100723), (973, 28778), (1946, 14389)]