2149883974

素因数分解:

$2^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{440009}}^1$

素因数の和:440367

約数の個数: 16

約数和(自身を含む): 3696084000

約数和(自身を除く): 1546200026

約数列:

[1, 2, 7, 14, 349, 698, 2443, 4886, 440009, 880018, 3080063, 6160126, 153563141, 307126282, 1074941987, 2149883974]

約数ペア:

[(1, 2149883974), (2, 1074941987), (7, 307126282), (14, 153563141), (349, 6160126), (698, 3080063), (2443, 880018), (4886, 440009)]