16681678

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^2\times {\mathrm{347}}^1$

素因数の和:448

約数の個数: 24

約数和(自身を含む): 27668088

約数和(自身を除く): 10986410

約数列:

[1, 2, 13, 26, 43, 86, 347, 559, 694, 1118, 1849, 3698, 4511, 9022, 14921, 24037, 29842, 48074, 193973, 387946, 641603, 1283206, 8340839, 16681678]

約数ペア:

[(1, 16681678), (2, 8340839), (13, 1283206), (26, 641603), (43, 387946), (86, 193973), (347, 48074), (559, 29842), (694, 24037), (1118, 14921), (1849, 9022), (3698, 4511)]