28027489

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{587}}^1$

素因数の和:972

約数の個数: 16

約数和(自身を含む): 33868800

約数和(自身を除く): 5841311

約数列:

[1, 7, 19, 133, 359, 587, 2513, 4109, 6821, 11153, 47747, 78071, 210733, 1475131, 4003927, 28027489]

約数ペア:

[(1, 28027489), (7, 4003927), (19, 1475131), (133, 210733), (359, 78071), (587, 47747), (2513, 11153), (4109, 6821)]