2145904

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{1889}}^1$

素因数の和:1968

約数の個数: 20

約数和(自身を含む): 4218480

約数和(自身を除く): 2072576

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 1889, 3778, 7556, 15112, 30224, 134119, 268238, 536476, 1072952, 2145904]

約数ペア:

[(1, 2145904), (2, 1072952), (4, 536476), (8, 268238), (16, 134119), (71, 30224), (142, 15112), (284, 7556), (568, 3778), (1136, 1889)]