1388714508727

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{392879}}^1$

素因数の和:393116

約数の個数: 48

約数和(自身を含む): 1805865062400

約数和(自身を除く): 417150553673

約数列:

[1, 7, 13, 31, 49, 91, 179, 217, 403, 637, 1253, 1519, 2327, 2821, 5549, 8771, 16289, 19747, 38843, 72137, 114023, 271901, 392879, 504959, 2750153, 3534713, 5107427, 12179249, 19251071, 35751989, 70325341, 85254743, 158330237, 250263923, 492277387, 596783201, 914229433, 1108311659, 2180085571, 3445941709, 6399606031, 7758181613, 15260598997, 28341112423, 44797242217, 106824192979, 198387786961, 1388714508727]

約数ペア:

[(1, 1388714508727), (7, 198387786961), (13, 106824192979), (31, 44797242217), (49, 28341112423), (91, 15260598997), (179, 7758181613), (217, 6399606031), (403, 3445941709), (637, 2180085571), (1253, 1108311659), (1519, 914229433), (2327, 596783201), (2821, 492277387), (5549, 250263923), (8771, 158330237), (16289, 85254743), (19747, 70325341), (38843, 35751989), (72137, 19251071), (114023, 12179249), (271901, 5107427), (392879, 3534713), (504959, 2750153)]