138507172

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{491}}^1\times {\mathrm{647}}^1$

素因数の和:1251

約数の個数: 24

約数和(自身を含む): 245488320

約数和(自身を除く): 106981148

約数列:

[1, 2, 4, 109, 218, 436, 491, 647, 982, 1294, 1964, 2588, 53519, 70523, 107038, 141046, 214076, 282092, 317677, 635354, 1270708, 34626793, 69253586, 138507172]

約数ペア:

[(1, 138507172), (2, 69253586), (4, 34626793), (109, 1270708), (218, 635354), (436, 317677), (491, 282092), (647, 214076), (982, 141046), (1294, 107038), (1964, 70523), (2588, 53519)]