2153998

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:288

約数の個数: 32

約数和(自身を含む): 4105728

約数和(自身を除く): 1951730

約数列:

[1, 2, 7, 11, 14, 22, 71, 77, 142, 154, 197, 394, 497, 781, 994, 1379, 1562, 2167, 2758, 4334, 5467, 10934, 13987, 15169, 27974, 30338, 97909, 153857, 195818, 307714, 1076999, 2153998]

約数ペア:

[(1, 2153998), (2, 1076999), (7, 307714), (11, 195818), (14, 153857), (22, 97909), (71, 30338), (77, 27974), (142, 15169), (154, 13987), (197, 10934), (394, 5467), (497, 4334), (781, 2758), (994, 2167), (1379, 1562)]