1218996985171

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{883}}^1\times {\mathrm{1777}}^1$

素因数の和:2828

約数の個数: 64

約数和(自身を含む): 1493793100800

約数和(自身を除く): 274796115629

約数列:

[1, 7, 29, 43, 89, 203, 301, 623, 883, 1247, 1777, 2581, 3827, 6181, 8729, 12439, 18067, 25607, 26789, 37969, 51533, 76411, 78587, 110983, 158153, 179249, 265783, 360731, 534877, 550109, 776881, 1101101, 1107071, 1569091, 2215919, 2279023, 3379241, 4586437, 6800579, 7707707, 10983637, 15511433, 15953161, 23654687, 32105059, 45503639, 47604053, 67470913, 97997989, 139649099, 197216791, 318525473, 472296391, 685985923, 977543693, 1380517537, 1956656477, 4049823871, 6004911257, 13696595339, 28348767097, 42034378799, 174142426453, 1218996985171]

約数ペア:

[(1, 1218996985171), (7, 174142426453), (29, 42034378799), (43, 28348767097), (89, 13696595339), (203, 6004911257), (301, 4049823871), (623, 1956656477), (883, 1380517537), (1247, 977543693), (1777, 685985923), (2581, 472296391), (3827, 318525473), (6181, 197216791), (8729, 139649099), (12439, 97997989), (18067, 67470913), (25607, 47604053), (26789, 45503639), (37969, 32105059), (51533, 23654687), (76411, 15953161), (78587, 15511433), (110983, 10983637), (158153, 7707707), (179249, 6800579), (265783, 4586437), (360731, 3379241), (534877, 2279023), (550109, 2215919), (776881, 1569091), (1101101, 1107071)]