87171772

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{6337}}^1$

素因数の和:6541

約数の個数: 24

約数和(自身を含む): 161492240

約数和(自身を除く): 74320468

約数列:

[1, 2, 4, 19, 38, 76, 181, 362, 724, 3439, 6337, 6878, 12674, 13756, 25348, 120403, 240806, 481612, 1146997, 2293994, 4587988, 21792943, 43585886, 87171772]

約数ペア:

[(1, 87171772), (2, 43585886), (4, 21792943), (19, 4587988), (38, 2293994), (76, 1146997), (181, 481612), (362, 240806), (724, 120403), (3439, 25348), (6337, 13756), (6878, 12674)]