66938576

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{193}}^1\times {\mathrm{409}}^1$

素因数の和:663

約数の個数: 40

約数和(自身を含む): 133149960

約数和(自身を除く): 66211384

約数列:

[1, 2, 4, 8, 16, 53, 106, 193, 212, 386, 409, 424, 772, 818, 848, 1544, 1636, 3088, 3272, 6544, 10229, 20458, 21677, 40916, 43354, 78937, 81832, 86708, 157874, 163664, 173416, 315748, 346832, 631496, 1262992, 4183661, 8367322, 16734644, 33469288, 66938576]

約数ペア:

[(1, 66938576), (2, 33469288), (4, 16734644), (8, 8367322), (16, 4183661), (53, 1262992), (106, 631496), (193, 346832), (212, 315748), (386, 173416), (409, 163664), (424, 157874), (772, 86708), (818, 81832), (848, 78937), (1544, 43354), (1636, 40916), (3088, 21677), (3272, 20458), (6544, 10229)]