263895123

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{1993}}^1$

素因数の和:2139

約数の個数: 32

約数和(自身を含む): 390504960

約数和(自身を除く): 126609837

約数列:

[1, 3, 19, 23, 57, 69, 101, 303, 437, 1311, 1919, 1993, 2323, 5757, 5979, 6969, 37867, 44137, 45839, 113601, 132411, 137517, 201293, 603879, 870941, 2612823, 3824567, 4629739, 11473701, 13889217, 87965041, 263895123]

約数ペア:

[(1, 263895123), (3, 87965041), (19, 13889217), (23, 11473701), (57, 4629739), (69, 3824567), (101, 2612823), (303, 870941), (437, 603879), (1311, 201293), (1919, 137517), (1993, 132411), (2323, 113601), (5757, 45839), (5979, 44137), (6969, 37867)]