139378015

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6761}}^1$

素因数の和:6823

約数の個数: 32

約数和(自身を含む): 207728640

約数和(自身を除く): 68350625

約数列:

[1, 5, 7, 19, 31, 35, 95, 133, 155, 217, 589, 665, 1085, 2945, 4123, 6761, 20615, 33805, 47327, 128459, 209591, 236635, 642295, 899213, 1047955, 1467137, 3982229, 4496065, 7335685, 19911145, 27875603, 139378015]

約数ペア:

[(1, 139378015), (5, 27875603), (7, 19911145), (19, 7335685), (31, 4496065), (35, 3982229), (95, 1467137), (133, 1047955), (155, 899213), (217, 642295), (589, 236635), (665, 209591), (1085, 128459), (2945, 47327), (4123, 33805), (6761, 20615)]