28415926

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{4987}}^1$

素因数の和:5044

約数の個数: 32

約数和(自身を含む): 54588672

約数和(自身を除く): 26172746

約数列:

[1, 2, 7, 11, 14, 22, 37, 74, 77, 154, 259, 407, 518, 814, 2849, 4987, 5698, 9974, 34909, 54857, 69818, 109714, 184519, 369038, 383999, 767998, 1291633, 2029709, 2583266, 4059418, 14207963, 28415926]

約数ペア:

[(1, 28415926), (2, 14207963), (7, 4059418), (11, 2583266), (14, 2029709), (22, 1291633), (37, 767998), (74, 383999), (77, 369038), (154, 184519), (259, 109714), (407, 69818), (518, 54857), (814, 34909), (2849, 9974), (4987, 5698)]