208805896

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{421}}^1$

素因数の和:710

約数の個数: 64

約数和(自身を含む): 446644800

約数和(自身を除く): 237838904

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 251, 421, 494, 502, 842, 988, 1004, 1684, 1976, 2008, 3263, 3368, 4769, 5473, 6526, 7999, 9538, 10946, 13052, 15998, 19076, 21892, 26104, 31996, 38152, 43784, 61997, 63992, 103987, 105671, 123994, 207974, 211342, 247988, 415948, 422684, 495976, 831896, 845368, 1373723, 2007749, 2747446, 4015498, 5494892, 8030996, 10989784, 16061992, 26100737, 52201474, 104402948, 208805896]

約数ペア:

[(1, 208805896), (2, 104402948), (4, 52201474), (8, 26100737), (13, 16061992), (19, 10989784), (26, 8030996), (38, 5494892), (52, 4015498), (76, 2747446), (104, 2007749), (152, 1373723), (247, 845368), (251, 831896), (421, 495976), (494, 422684), (502, 415948), (842, 247988), (988, 211342), (1004, 207974), (1684, 123994), (1976, 105671), (2008, 103987), (3263, 63992), (3368, 61997), (4769, 43784), (5473, 38152), (6526, 31996), (7999, 26104), (9538, 21892), (10946, 19076), (13052, 15998)]