27689488

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{15877}}^1$

素因数の和:15994

約数の個数: 20

約数和(自身を含む): 54143980

約数和(自身を除く): 26454492

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 15877, 31754, 63508, 127016, 254032, 1730593, 3461186, 6922372, 13844744, 27689488]

約数ペア:

[(1, 27689488), (2, 13844744), (4, 6922372), (8, 3461186), (16, 1730593), (109, 254032), (218, 127016), (436, 63508), (872, 31754), (1744, 15877)]