31427872

素因数分解:

$2^5\times 7^1\times {\mathrm{173}}^1\times {\mathrm{811}}^1$

素因数の和:1001

約数の個数: 48

約数和(自身を含む): 71209152

約数和(自身を除く): 39781280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 173, 224, 346, 692, 811, 1211, 1384, 1622, 2422, 2768, 3244, 4844, 5536, 5677, 6488, 9688, 11354, 12976, 19376, 22708, 25952, 38752, 45416, 90832, 140303, 181664, 280606, 561212, 982121, 1122424, 1964242, 2244848, 3928484, 4489696, 7856968, 15713936, 31427872]

約数ペア:

[(1, 31427872), (2, 15713936), (4, 7856968), (7, 4489696), (8, 3928484), (14, 2244848), (16, 1964242), (28, 1122424), (32, 982121), (56, 561212), (112, 280606), (173, 181664), (224, 140303), (346, 90832), (692, 45416), (811, 38752), (1211, 25952), (1384, 22708), (1622, 19376), (2422, 12976), (2768, 11354), (3244, 9688), (4844, 6488), (5536, 5677)]