2180804528

素因数分解:

$2^4\times 7^1\times {\mathrm{149}}^1\times {\mathrm{130681}}^1$

素因数の和:130845

約数の個数: 40

約数和(自身を含む): 4861370400

約数和(自身を除く): 2680565872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 149, 298, 596, 1043, 1192, 2086, 2384, 4172, 8344, 16688, 130681, 261362, 522724, 914767, 1045448, 1829534, 2090896, 3659068, 7318136, 14636272, 19471469, 38942938, 77885876, 136300283, 155771752, 272600566, 311543504, 545201132, 1090402264, 2180804528]

約数ペア:

[(1, 2180804528), (2, 1090402264), (4, 545201132), (7, 311543504), (8, 272600566), (14, 155771752), (16, 136300283), (28, 77885876), (56, 38942938), (112, 19471469), (149, 14636272), (298, 7318136), (596, 3659068), (1043, 2090896), (1192, 1829534), (2086, 1045448), (2384, 914767), (4172, 522724), (8344, 261362), (16688, 130681)]