221488

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{127}}^1$

素因数の和:244

約数の個数: 20

約数和(自身を含む): 436480

約数和(自身を除く): 214992

約数列:

[1, 2, 4, 8, 16, 109, 127, 218, 254, 436, 508, 872, 1016, 1744, 2032, 13843, 27686, 55372, 110744, 221488]

約数ペア:

[(1, 221488), (2, 110744), (4, 55372), (8, 27686), (16, 13843), (109, 2032), (127, 1744), (218, 1016), (254, 872), (436, 508)]