126581378

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{2113}}^1$

素因数の和:2522

約数の個数: 32

約数和(自身を含む): 237444480

約数和(自身を除く): 110863102

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 389, 778, 2113, 2723, 4226, 4279, 5446, 8558, 14791, 23243, 29582, 29953, 46486, 59906, 162701, 325402, 821957, 1643914, 5753699, 9041527, 11507398, 18083054, 63290689, 126581378]

約数ペア:

[(1, 126581378), (2, 63290689), (7, 18083054), (11, 11507398), (14, 9041527), (22, 5753699), (77, 1643914), (154, 821957), (389, 325402), (778, 162701), (2113, 59906), (2723, 46486), (4226, 29953), (4279, 29582), (5446, 23243), (8558, 14791)]