2648674990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{81173}}^1$

素因数の和:81444

約数の個数: 32

約数和(自身を含む): 5154873696

約数和(自身を除く): 2506198706

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 251, 502, 1255, 2510, 3263, 6526, 16315, 32630, 81173, 162346, 405865, 811730, 1055249, 2110498, 5276245, 10552490, 20374423, 40748846, 101872115, 203744230, 264867499, 529734998, 1324337495, 2648674990]

約数ペア:

[(1, 2648674990), (2, 1324337495), (5, 529734998), (10, 264867499), (13, 203744230), (26, 101872115), (65, 40748846), (130, 20374423), (251, 10552490), (502, 5276245), (1255, 2110498), (2510, 1055249), (3263, 811730), (6526, 405865), (16315, 162346), (32630, 81173)]