81387772

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{38609}}^1$

素因数の和:38661

約数の個数: 24

約数和(自身を含む): 155675520

約数和(自身を除く): 74287748

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 527, 1054, 2108, 38609, 77218, 154436, 656353, 1196879, 1312706, 2393758, 2625412, 4787516, 20346943, 40693886, 81387772]

約数ペア:

[(1, 81387772), (2, 40693886), (4, 20346943), (17, 4787516), (31, 2625412), (34, 2393758), (62, 1312706), (68, 1196879), (124, 656353), (527, 154436), (1054, 77218), (2108, 38609)]