31939019

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:299

約数の個数: 32

約数和(自身を含む): 41057280

約数和(自身を除く): 9118261

約数列:

[1, 7, 19, 23, 53, 133, 161, 197, 371, 437, 1007, 1219, 1379, 3059, 3743, 4531, 7049, 8533, 10441, 23161, 26201, 31717, 73087, 86089, 162127, 198379, 240143, 602623, 1388653, 1681001, 4562717, 31939019]

約数ペア:

[(1, 31939019), (7, 4562717), (19, 1681001), (23, 1388653), (53, 602623), (133, 240143), (161, 198379), (197, 162127), (371, 86089), (437, 73087), (1007, 31717), (1219, 26201), (1379, 23161), (3059, 10441), (3743, 8533), (4531, 7049)]