138914909

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{28229}}^1$

素因数の和:28292

約数の個数: 16

約数和(自身を含む): 171638400

約数和(自身を除く): 32723491

約数列:

[1, 7, 19, 37, 133, 259, 703, 4921, 28229, 197603, 536351, 1044473, 3754457, 7311311, 19844987, 138914909]

約数ペア:

[(1, 138914909), (7, 19844987), (19, 7311311), (37, 3754457), (133, 1044473), (259, 536351), (703, 197603), (4921, 28229)]