51386906

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{103}}^1\times {\mathrm{691}}^1$

素因数の和:834

約数の個数: 24

約数和(自身を含む): 82259424

約数和(自身を除く): 30872518

約数列:

[1, 2, 19, 38, 103, 206, 361, 691, 722, 1382, 1957, 3914, 13129, 26258, 37183, 71173, 74366, 142346, 249451, 498902, 1352287, 2704574, 25693453, 51386906]

約数ペア:

[(1, 51386906), (2, 25693453), (19, 2704574), (38, 1352287), (103, 498902), (206, 249451), (361, 142346), (691, 74366), (722, 71173), (1382, 37183), (1957, 26258), (3914, 13129)]