12956912

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:425

約数の個数: 40

約数和(自身を含む): 26489376

約数和(自身を除く): 13532464

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 137, 184, 257, 274, 368, 514, 548, 1028, 1096, 2056, 2192, 3151, 4112, 5911, 6302, 11822, 12604, 23644, 25208, 35209, 47288, 50416, 70418, 94576, 140836, 281672, 563344, 809807, 1619614, 3239228, 6478456, 12956912]

約数ペア:

[(1, 12956912), (2, 6478456), (4, 3239228), (8, 1619614), (16, 809807), (23, 563344), (46, 281672), (92, 140836), (137, 94576), (184, 70418), (257, 50416), (274, 47288), (368, 35209), (514, 25208), (548, 23644), (1028, 12604), (1096, 11822), (2056, 6302), (2192, 5911), (3151, 4112)]