39811870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{2213}}^1$

素因数の和:2484

約数の個数: 32

約数和(自身を含む): 82254528

約数和(自身を除く): 42442658

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 257, 514, 1285, 1799, 2213, 2570, 3598, 4426, 8995, 11065, 15491, 17990, 22130, 30982, 77455, 154910, 568741, 1137482, 2843705, 3981187, 5687410, 7962374, 19905935, 39811870]

約数ペア:

[(1, 39811870), (2, 19905935), (5, 7962374), (7, 5687410), (10, 3981187), (14, 2843705), (35, 1137482), (70, 568741), (257, 154910), (514, 77455), (1285, 30982), (1799, 22130), (2213, 17990), (2570, 15491), (3598, 11065), (4426, 8995)]