1239877738

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{15791}}^1$

素因数の和:15930

約数の個数: 32

約数和(自身を含む): 2101220352

約数和(自身を除く): 861342614

約数列:

[1, 2, 11, 22, 43, 83, 86, 166, 473, 913, 946, 1826, 3569, 7138, 15791, 31582, 39259, 78518, 173701, 347402, 679013, 1310653, 1358026, 2621306, 7469143, 14417183, 14938286, 28834366, 56358079, 112716158, 619938869, 1239877738]

約数ペア:

[(1, 1239877738), (2, 619938869), (11, 112716158), (22, 56358079), (43, 28834366), (83, 14938286), (86, 14417183), (166, 7469143), (473, 2621306), (913, 1358026), (946, 1310653), (1826, 679013), (3569, 347402), (7138, 173701), (15791, 78518), (31582, 39259)]