640388698

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{661}}^1\times {\mathrm{4703}}^1$

素因数の和:5469

約数の個数: 16

約数和(自身を含む): 971582976

約数和(自身を除く): 331194278

約数列:

[1, 2, 103, 206, 661, 1322, 4703, 9406, 68083, 136166, 484409, 968818, 3108683, 6217366, 320194349, 640388698]

約数ペア:

[(1, 640388698), (2, 320194349), (103, 6217366), (206, 3108683), (661, 968818), (1322, 484409), (4703, 136166), (9406, 68083)]