40778921

素因数分解:

${\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:189

約数の個数: 24

約数和(自身を含む): 45866304

約数和(自身を除く): 5087383

約数列:

[1, 19, 37, 43, 71, 361, 703, 817, 1349, 1591, 2627, 3053, 13357, 15523, 25631, 30229, 49913, 58007, 112961, 574351, 948347, 1102133, 2146259, 40778921]

約数ペア:

[(1, 40778921), (19, 2146259), (37, 1102133), (43, 948347), (71, 574351), (361, 112961), (703, 58007), (817, 49913), (1349, 30229), (1591, 25631), (2627, 15523), (3053, 13357)]