138894238

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{187189}}^1$

素因数の和:187251

約数の個数: 16

約数和(自身を含む): 242598240

約数和(自身を除く): 103704002

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 187189, 374378, 1310323, 2620646, 9921017, 19842034, 69447119, 138894238]

約数ペア:

[(1, 138894238), (2, 69447119), (7, 19842034), (14, 9921017), (53, 2620646), (106, 1310323), (371, 374378), (742, 187189)]