1328778892

素因数分解:

$2^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{346397}}^1$

素因数の和:346545

約数の個数: 24

約数和(自身を含む): 2676963744

約数和(自身を除く): 1348184852

約数列:

[1, 2, 4, 7, 14, 28, 137, 274, 548, 959, 1918, 3836, 346397, 692794, 1385588, 2424779, 4849558, 9699116, 47456389, 94912778, 189825556, 332194723, 664389446, 1328778892]

約数ペア:

[(1, 1328778892), (2, 664389446), (4, 332194723), (7, 189825556), (14, 94912778), (28, 47456389), (137, 9699116), (274, 4849558), (548, 2424779), (959, 1385588), (1918, 692794), (3836, 346397)]