40390409

素因数分解:

${\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{379}}^1$

素因数の和:548

約数の個数: 16

約数和(自身を含む): 43776000

約数和(自身を除く): 3385591

約数列:

[1, 19, 71, 79, 379, 1349, 1501, 5609, 7201, 26909, 29941, 106571, 511271, 568879, 2125811, 40390409]

約数ペア:

[(1, 40390409), (19, 2125811), (71, 568879), (79, 511271), (379, 106571), (1349, 29941), (1501, 26909), (5609, 7201)]