140906246

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1\times {\mathrm{307}}^1$

素因数の和:588

約数の個数: 32

約数和(自身を含む): 231813120

約数和(自身を除く): 90906874

約数列:

[1, 2, 13, 26, 127, 139, 254, 278, 307, 614, 1651, 1807, 3302, 3614, 3991, 7982, 17653, 35306, 38989, 42673, 77978, 85346, 229489, 458978, 506857, 554749, 1013714, 1109498, 5419471, 10838942, 70453123, 140906246]

約数ペア:

[(1, 140906246), (2, 70453123), (13, 10838942), (26, 5419471), (127, 1109498), (139, 1013714), (254, 554749), (278, 506857), (307, 458978), (614, 229489), (1651, 85346), (1807, 77978), (3302, 42673), (3614, 38989), (3991, 35306), (7982, 17653)]