71872528

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{49363}}^1$

素因数の和:49391

約数の個数: 40

約数和(自身を含む): 171391808

約数和(自身を除く): 99519280

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 49363, 98726, 197452, 345541, 394904, 641719, 691082, 789808, 1283438, 1382164, 2566876, 2764328, 4492033, 5133752, 5528656, 8984066, 10267504, 17968132, 35936264, 71872528]

約数ペア:

[(1, 71872528), (2, 35936264), (4, 17968132), (7, 10267504), (8, 8984066), (13, 5528656), (14, 5133752), (16, 4492033), (26, 2764328), (28, 2566876), (52, 1382164), (56, 1283438), (91, 789808), (104, 691082), (112, 641719), (182, 394904), (208, 345541), (364, 197452), (728, 98726), (1456, 49363)]