257156704

素因数分解:

$2^5\times 7^4\times {\mathrm{3347}}^1$

素因数の和:3385

約数の個数: 60

約数和(自身を含む): 590798124

約数和(自身を除く): 333641420

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 343, 392, 686, 784, 1372, 1568, 2401, 2744, 3347, 4802, 5488, 6694, 9604, 10976, 13388, 19208, 23429, 26776, 38416, 46858, 53552, 76832, 93716, 107104, 164003, 187432, 328006, 374864, 656012, 749728, 1148021, 1312024, 2296042, 2624048, 4592084, 5248096, 8036147, 9184168, 16072294, 18368336, 32144588, 36736672, 64289176, 128578352, 257156704]

約数ペア:

[(1, 257156704), (2, 128578352), (4, 64289176), (7, 36736672), (8, 32144588), (14, 18368336), (16, 16072294), (28, 9184168), (32, 8036147), (49, 5248096), (56, 4592084), (98, 2624048), (112, 2296042), (196, 1312024), (224, 1148021), (343, 749728), (392, 656012), (686, 374864), (784, 328006), (1372, 187432), (1568, 164003), (2401, 107104), (2744, 93716), (3347, 76832), (4802, 53552), (5488, 46858), (6694, 38416), (9604, 26776), (10976, 23429), (13388, 19208)]