81231766

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{947}}^1$

素因数の和:1524

約数の個数: 32

約数和(自身を含む): 152347392

約数和(自身を除く): 71115626

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 557, 947, 1114, 1894, 3899, 6127, 6629, 7798, 10417, 12254, 13258, 20834, 42889, 72919, 85778, 145838, 527479, 1054958, 3692353, 5802269, 7384706, 11604538, 40615883, 81231766]

約数ペア:

[(1, 81231766), (2, 40615883), (7, 11604538), (11, 7384706), (14, 5802269), (22, 3692353), (77, 1054958), (154, 527479), (557, 145838), (947, 85778), (1114, 72919), (1894, 42889), (3899, 20834), (6127, 13258), (6629, 12254), (7798, 10417)]