1291264136

素因数分解:

$2^3\times {\mathrm{181}}^1\times {\mathrm{557}}^1\times {\mathrm{1601}}^1$

素因数の和:2345

約数の個数: 32

約数和(自身を含む): 2440390680

約数和(自身を除く): 1149126544

約数列:

[1, 2, 4, 8, 181, 362, 557, 724, 1114, 1448, 1601, 2228, 3202, 4456, 6404, 12808, 100817, 201634, 289781, 403268, 579562, 806536, 891757, 1159124, 1783514, 2318248, 3567028, 7134056, 161408017, 322816034, 645632068, 1291264136]

約数ペア:

[(1, 1291264136), (2, 645632068), (4, 322816034), (8, 161408017), (181, 7134056), (362, 3567028), (557, 2318248), (724, 1783514), (1114, 1159124), (1448, 891757), (1601, 806536), (2228, 579562), (3202, 403268), (4456, 289781), (6404, 201634), (12808, 100817)]