1287685504

素因数分解:

$2^7\times 7^2\times {\mathrm{205307}}^1$

素因数の和:205335

約数の個数: 48

約数和(自身を含む): 2984151780

約数和(自身を除く): 1696466276

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 392, 448, 784, 896, 1568, 3136, 6272, 205307, 410614, 821228, 1437149, 1642456, 2874298, 3284912, 5748596, 6569824, 10060043, 11497192, 13139648, 20120086, 22994384, 26279296, 40240172, 45988768, 80480344, 91977536, 160960688, 183955072, 321921376, 643842752, 1287685504]

約数ペア:

[(1, 1287685504), (2, 643842752), (4, 321921376), (7, 183955072), (8, 160960688), (14, 91977536), (16, 80480344), (28, 45988768), (32, 40240172), (49, 26279296), (56, 22994384), (64, 20120086), (98, 13139648), (112, 11497192), (128, 10060043), (196, 6569824), (224, 5748596), (392, 3284912), (448, 2874298), (784, 1642456), (896, 1437149), (1568, 821228), (3136, 410614), (6272, 205307)]