640630298

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4159937}}^1$

素因数の和:4159957

約数の個数: 16

約数和(自身を含む): 1198062144

約数和(自身を除く): 557431846

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 4159937, 8319874, 29119559, 45759307, 58239118, 91518614, 320315149, 640630298]

約数ペア:

[(1, 640630298), (2, 320315149), (7, 91518614), (11, 58239118), (14, 45759307), (22, 29119559), (77, 8319874), (154, 4159937)]