138091664

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{79181}}^1$

素因数の和:79298

約数の個数: 20

約数和(自身を含む): 270010620

約数和(自身を除く): 131918956

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 79181, 158362, 316724, 633448, 1266896, 8630729, 17261458, 34522916, 69045832, 138091664]

約数ペア:

[(1, 138091664), (2, 69045832), (4, 34522916), (8, 17261458), (16, 8630729), (109, 1266896), (218, 633448), (436, 316724), (872, 158362), (1744, 79181)]