71561516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:582

約数の個数: 48

約数和(自身を含む): 140894208

約数和(自身を除く): 69332692

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 103, 124, 206, 403, 412, 431, 806, 862, 1339, 1612, 1724, 2678, 3193, 5356, 5603, 6386, 11206, 12772, 13361, 22412, 26722, 41509, 44393, 53444, 83018, 88786, 166036, 173693, 177572, 347386, 577109, 694772, 1154218, 1376183, 2308436, 2752366, 5504732, 17890379, 35780758, 71561516]

約数ペア:

[(1, 71561516), (2, 35780758), (4, 17890379), (13, 5504732), (26, 2752366), (31, 2308436), (52, 1376183), (62, 1154218), (103, 694772), (124, 577109), (206, 347386), (403, 177572), (412, 173693), (431, 166036), (806, 88786), (862, 83018), (1339, 53444), (1612, 44393), (1724, 41509), (2678, 26722), (3193, 22412), (5356, 13361), (5603, 12772), (6386, 11206)]