71228339

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 91069440

約数和(自身を除く): 19841101

約数列:

[1, 7, 13, 43, 91, 109, 167, 301, 559, 763, 1169, 1417, 2171, 3913, 4687, 7181, 9919, 15197, 18203, 32809, 50267, 60931, 93353, 127421, 236639, 426517, 653471, 782729, 1656473, 5479103, 10175477, 71228339]

約数ペア:

[(1, 71228339), (7, 10175477), (13, 5479103), (43, 1656473), (91, 782729), (109, 653471), (167, 426517), (301, 236639), (559, 127421), (763, 93353), (1169, 60931), (1417, 50267), (2171, 32809), (3913, 18203), (4687, 15197), (7181, 9919)]