12642910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{1657}}^1$

素因数の和:1780

約数の個数: 32

約数和(自身を含む): 26262720

約数和(自身を除く): 13619810

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 545, 763, 1090, 1526, 1657, 3314, 3815, 7630, 8285, 11599, 16570, 23198, 57995, 115990, 180613, 361226, 903065, 1264291, 1806130, 2528582, 6321455, 12642910]

約数ペア:

[(1, 12642910), (2, 6321455), (5, 2528582), (7, 1806130), (10, 1264291), (14, 903065), (35, 361226), (70, 180613), (109, 115990), (218, 57995), (545, 23198), (763, 16570), (1090, 11599), (1526, 8285), (1657, 7630), (3314, 3815)]