201991295998

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{171469691}}^1$

素因数の和:171469743

約数の個数: 16

約数和(自身を含む): 329221808640

約数和(自身を除く): 127230512642

約数列:

[1, 2, 19, 31, 38, 62, 589, 1178, 171469691, 342939382, 3257924129, 5315560421, 6515848258, 10631120842, 100995647999, 201991295998]

約数ペア:

[(1, 201991295998), (2, 100995647999), (19, 10631120842), (31, 6515848258), (38, 5315560421), (62, 3257924129), (589, 342939382), (1178, 171469691)]