1388367088

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{4566997}}^1$

素因数の和:4567024

約数の個数: 20

約数和(自身を含む): 2831538760

約数和(自身を除く): 1443171672

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 4566997, 9133994, 18267988, 36535976, 73071952, 86772943, 173545886, 347091772, 694183544, 1388367088]

約数ペア:

[(1, 1388367088), (2, 694183544), (4, 347091772), (8, 173545886), (16, 86772943), (19, 73071952), (38, 36535976), (76, 18267988), (152, 9133994), (304, 4566997)]