251384

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^2$

素因数の和:147

約数の個数: 24

約数和(自身を含む): 546840

約数和(自身を除く): 295456

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 938, 1876, 3752, 4489, 8978, 17956, 31423, 35912, 62846, 125692, 251384]

約数ペア:

[(1, 251384), (2, 125692), (4, 62846), (7, 35912), (8, 31423), (14, 17956), (28, 8978), (56, 4489), (67, 3752), (134, 1876), (268, 938), (469, 536)]