68880313918

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{137}}^1\times {\mathrm{31649}}^1$

素因数の和:31861

約数の個数: 48

約数和(自身を含む): 115097630400

約数和(自身を除く): 46217316482

約数列:

[1, 2, 13, 26, 47, 94, 137, 169, 274, 338, 611, 1222, 1781, 3562, 6439, 7943, 12878, 15886, 23153, 31649, 46306, 63298, 83707, 167414, 411437, 822874, 1088191, 1487503, 2176382, 2975006, 4335913, 5348681, 8671826, 10697362, 19337539, 38675078, 56366869, 112733738, 203787911, 251388007, 407575822, 502776014, 732769297, 1465538594, 2649242843, 5298485686, 34440156959, 68880313918]

約数ペア:

[(1, 68880313918), (2, 34440156959), (13, 5298485686), (26, 2649242843), (47, 1465538594), (94, 732769297), (137, 502776014), (169, 407575822), (274, 251388007), (338, 203787911), (611, 112733738), (1222, 56366869), (1781, 38675078), (3562, 19337539), (6439, 10697362), (7943, 8671826), (12878, 5348681), (15886, 4335913), (23153, 2975006), (31649, 2176382), (46306, 1487503), (63298, 1088191), (83707, 822874), (167414, 411437)]