215720694

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{499}}^1$

素因数の和:634

約数の個数: 96

約数和(自身を含む): 554112000

約数和(自身を除く): 338391306

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 47, 63, 73, 94, 126, 141, 146, 219, 282, 329, 423, 438, 499, 511, 657, 658, 846, 987, 998, 1022, 1314, 1497, 1533, 1974, 2961, 2994, 3066, 3431, 3493, 4491, 4599, 5922, 6862, 6986, 8982, 9198, 10293, 10479, 20586, 20958, 23453, 24017, 30879, 31437, 36427, 46906, 48034, 61758, 62874, 70359, 72051, 72854, 109281, 140718, 144102, 164171, 211077, 216153, 218562, 254989, 327843, 328342, 422154, 432306, 492513, 509978, 655686, 764967, 985026, 1477539, 1529934, 1712069, 2294901, 2955078, 3424138, 4589802, 5136207, 10272414, 11984483, 15408621, 23968966, 30817242, 35953449, 71906898, 107860347, 215720694]

約数ペア:

[(1, 215720694), (2, 107860347), (3, 71906898), (6, 35953449), (7, 30817242), (9, 23968966), (14, 15408621), (18, 11984483), (21, 10272414), (42, 5136207), (47, 4589802), (63, 3424138), (73, 2955078), (94, 2294901), (126, 1712069), (141, 1529934), (146, 1477539), (219, 985026), (282, 764967), (329, 655686), (423, 509978), (438, 492513), (499, 432306), (511, 422154), (657, 328342), (658, 327843), (846, 254989), (987, 218562), (998, 216153), (1022, 211077), (1314, 164171), (1497, 144102), (1533, 140718), (1974, 109281), (2961, 72854), (2994, 72051), (3066, 70359), (3431, 62874), (3493, 61758), (4491, 48034), (4599, 46906), (5922, 36427), (6862, 31437), (6986, 30879), (8982, 24017), (9198, 23453), (10293, 20958), (10479, 20586)]